USRE37559E1 - Telescoping mast with integral payload - Google Patents

Telescoping mast with integral payload Download PDF

Info

Publication number
USRE37559E1
USRE37559E1 US09/283,843 US28384399A USRE37559E US RE37559 E1 USRE37559 E1 US RE37559E1 US 28384399 A US28384399 A US 28384399A US RE37559 E USRE37559 E US RE37559E
Authority
US
United States
Prior art keywords
mast
payload
section
assembly
telescoping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US09/283,843
Inventor
Edward A. Marue
Kenneth J. Pereira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Will Burt Co
Original Assignee
Will Burt Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/772,167 external-priority patent/US5163650A/en
Priority claimed from US08/353,118 external-priority patent/US5615855A/en
Application filed by Will Burt Co filed Critical Will Burt Co
Priority to US09/283,843 priority Critical patent/USRE37559E1/en
Assigned to WILL-BURT COMPANY, AN OHIO CORPORATION, THE reassignment WILL-BURT COMPANY, AN OHIO CORPORATION, THE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TRI-EX TOWER CORPORATION, A CALIFORNIA CORPORATION
Application granted granted Critical
Publication of USRE37559E1 publication Critical patent/USRE37559E1/en
Anticipated expiration legal-status Critical
Assigned to JPMORGAN CHASE BANK, N.A. reassignment JPMORGAN CHASE BANK, N.A. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: THE WILL-BURT COMPANY
Assigned to THE WILL-BURT COMPANY reassignment THE WILL-BURT COMPANY RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: JPMORGAN CHASE BANK, N.A.
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/18—Vehicles adapted to transport, to carry or to comprise special loads or objects the object being a searchlight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2657—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on a shaft, e.g. telescopic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
    • E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28—Undercarriages for supports with one single telescoping pillar
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/22—Adjustable mountings telescopic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2531—Carriage feed
    • Y10T82/2549—Feedscrews and rods

Definitions

  • This invention relates to a telescoping mast which includes an integral payload.
  • the invention pertains to an integrated telescoping mast-payload assembly which is specially adapted for mobile and portable use.
  • the invention relates to a telescoping mast-payload assembly which is specially configured for use under hazardous ambient conditions, in conjunction with protective shelters for operating personnel.
  • Telescoping masts have been widely employed for radio antennas, lights and a variety of other fixtures, such as instrumentation and telemetry packages for robotic vehicles, television cameras, mast-mounted antenna rotators, preamplifiers, radiation sensors and similar fragile electronic and electro-mechanical instrument packages.
  • the principal object of the present invention is to provide an improved telescoping mast-payload assembly.
  • Still another object of the invention is to provide such an assembly which has minimum nested height and maximum deployable height for a given number of telescoping mast sections.
  • Yet another object of the invention is to provide such an integrated telescoping mast-payload assembly which is specially adapted for mobile or portable use.
  • a further object of the invention is to provide an integrated mast-payload assembly which protects the payload during storage and transportation while the mast is fully retracted.
  • a still further object of the invention is to provide an integrated mast-payload assembly which obviates the need to remove and reinstall the payload during transportation and in which there is no need for human interaction with the assembly to install or remove a payload during storage transportation or use.
  • FIG. 1 is a perspective view of an integrated telescoping mast-payload assembly which embodies the present invention
  • FIG. 2 is a cross-sectional view of the assembly of FIG. 1 taken along section 2 — 2 thereof;
  • FIG. 3 is a perspective cut-away view of the cable stowage-dispensing assembly of the embodiment of FIGS. 1-2;
  • FIGS. 4a-4c are, respectively, cut-away views of the radiating antenna element of the assembly of FIGS. 1-3, cross-sectional views thereof (along section line 4 — 4 of FIG. 4a) and the upper end view thereof;
  • FIG. 5 depicts the assembly of FIGS. 1-4, mounted externally on an operational vehicle, e.g., on the SICPS shelter of an HMMWV/CUCV transporter;
  • FIG. 6 depicts an alternate mobile installation of the assembly of 1 - 4 , e.g., in the antenna mast cavity of a C2V Bradley vehicle;
  • FIG. 7 is a perspective view of another embodiment of the integrated telescoping mast-payload assembly of the present invention, in which the payload package does not have a central axial aperture, in which the mast sections have a polygonal cross-section and which utilizes multiple axial drive screws, and in which a cable assemble is enclosed internally of the mast and protected thereby;
  • FIG. 8 is a sectional view of the assembly of FIG. 7 in the fully retracted (nested) condition, taken along section line 8 — 8 of FIG. 9;
  • FIG. 9 is a side view of the assembly of FIGS. 7-8, with the mast fully retracted;
  • FIG. 10 is a sectional view of the assembly of FIGS. 8-9 taken along section line 10 — 10 thereof;
  • FIG. 11 is a cut-away rear view depicting a mast-payload assembly of FIGS. 7-10, mounted in the antenna mast cavity of a vehicle such as the Bradley C2V;
  • I provide an integrated telescoping mast-payload assembly comprising at least two or more nesting, telescoping mast sections, each section having an upper end and a lower end.
  • the telescoping sections include one or more lower sections and a top section which is dimensioned to slidably nest within the next-lower section.
  • Means are provided for extending and retracting the top section relative to the next-lower section and each of the lower sections relative to the section next below (except for the bottom section).
  • a payload forms at least the upper end of the top section and at least a portion of the payload is received within the next-lower section when the top section is fully retracted.
  • the lower section or sections provide protection for the payload when the top section is fully retracted.
  • the assembly is mounted upon or in a vehicle or upon or in a transportable shelter.
  • the payload is an antenna for transmitting and/or receiving electro-magnetic energy such as radio signals.
  • one or more of the lower sections is radiopaque to shield the payload from stray electro-magnetic radiation, particularly EMP, when the assembly is retracted.
  • the integrated mast-payload assembly includes means for mechanical locking the upper and lower sections together when the upper section is fully extended and when it is fully retracted, but preventing relative sequentially movement between the sections when the upper section is between the fully retracted and fully extended positions.
  • a plurality of axial drive screws are employed and these drive screws are laterally spaced from the longitudinal center line of the telescoping mast sections.
  • the telescoping mast-payload assembly generally indicated by reference numeral 10 includes a bottom mast section 11 , a top mast section 12 and one or more lower sections 13 - 19 .
  • Each of the mast sections 12 - 19 is dimensioned to be slidably received within the next-lower section.
  • the top section 12 and each of the one or more lower sections 13 - 19 can be extended and retracted relative to the next lower section from a fully retracted position, as shown in FIGS. 1-2 to a fully extended position (not shown).
  • a single axial drive screw 21 which is rotated by operation of an electric motor 22 which transmits rotational force through a drive train 23 , engages nuts 24 carried internally at the bottom end of each of the mast sections 12 - 19 .
  • Rotation of the axial drive screw 21 causes upward or downward movement of the nuts 24 on the drive screw 21 and corresponding relative motion of the mast section associated with each of the nuts 24 .
  • Holddown locking mechanisms 25 are provided to cause sequential deployment and retraction of each of the mast sections 12 - 19 , to lock adjacent sections together when the mast is fully nested and when each section is fully extended relative to its next-lower section.
  • a cable stowage/dispensing sub-assembly 31 includes an elongate frame 32 , a moveable multi-sheave pulley 33 and a spring 34 connected to the pulley 33 which urges the pulley 33 downwardly in the direction of the arrow A.
  • the transmission line cable 35 is connected at its upper end to the connector portion 36 of a antenna element 37 which forms the hollow antenna element which forms the upper section of the telescoping assembly 10 .
  • the transmission line passes into the frame 32 forming windings 38 on the moveable pulley 33 and stationary pulley 39 .
  • a terminal portion 41 of the cable 35 is fixed by means of a hook 42 to the frame 32 and passes through an outlet aperture 43 to its point of connection with another component, e.g., radio transceiver, (not shown).
  • another component e.g., radio transceiver
  • FIGS. 4a-4c depict the top section 12 of the telescoping mast of FIGS. 1-3, the major length thereof being formed as a hollow cylinder 42 having a longitudinal bore 42 .
  • the diameter of the bore 42 is increased to provide a socket 44 which receives a nut which engages threads on the axial drive screw 21 .
  • the annular shoulder 45 cooperates with the locking mechanism on the upper end of mast section 13 , in the manner previously described, a key 46 is formed as a longitudinal shoulder on the outer surface of the cylindrical section 41 to prevent rotation of the upper section 12 .
  • the upper end 47 of the top section 12 is provided with a coaxial connector 48 for attaching to rf transmission cable 35 with the rf rotated/receiving components which are embedded into side walls 49 of the top section 12 .
  • FIG. 5 depicts the integrated mast-payload assembly 10 of FIGS. 1-4, mounted externally on the rear wall 51 of an SICPS shelter 52 carried on a suitable vehicle, e.g., the HMMWV/CUCV transporter.
  • the assembly 10 can be mounted within a special radio antenna enclosure, indicated by the dash lines 61 of an enclosed vehicle such as the Bradley C2V.
  • the electrical power lines, and control cables for the drive mechanism 22 and the coaxial cable 35 are routed through the bulkheads 51 (FIG. 5) or 63 (FIG. 6) to the interior of the vehicle, which protectively houses the human operators, such that the mast and payload can be extended and retracted from within vehicles 52 , 62 , without requiring personnel to operate outside these shelters.
  • FIGS. 7-11 Another embodiment of the invention is depicted in FIGS. 7-11. This embodiment is useful when the character of the payload does not permit it to be formed as a hollow cylinder (as shown in FIG. 4 ).
  • a complex payload such as the J-STARS SCDL antenna 71 is operatively mounted on a base 72 .
  • the antenna 71 and base 72 form the upper section 73 of a multi-section telescoping mast comprising a plurality of intermediate lower sections 73 and a bottom section 74 , each of the sections 72 - 74 are formed of aluminum frame members 75 , covered and stiffened by graphite composite panels 76 . Alternatively, panels 76 can be omitted, thereby reducing the wind load on the mast.
  • the extended assembly of FIG. 7 is shown in cross-section in FIGS. 8 and 10 and in a side view in FIG. 9 . In the embodiment of FIG.
  • the antenna cable 35 is preformed as an extensible coil 77 .
  • Power to extend and retract the assembly is provided by an electric motor 78 and associated drive mechanism 79 .
  • the assembly of FIGS. 7-10 can also be mounted internally of a radio antenna well 91 formed in an appropriate vehicle such as the C2V Bradley.

Abstract

In an integrated telescoping mast-payload assembly, the payload forms the top telescoping section.

Description

This application is a Reissue of application Ser. No. 08/353,118, filed Dec. 9, 1994, now U.S. Pat. No. 5,615,855, and copending with continuation application Ser. No. 09/596,850, filed Jun. 19, 2000, which is a CIP of PCT/US94/0354 filed Mar. 31, 1994 which is a Continuation-in-Part of the U.S. application Ser. No. 08/072,817, filed Jun. 7, 1993, now U.S. Pat. No. 5,593,129 issued Jan. 14, 1997 a national-stage application derived from PCT international application PCT/US92/08721, filed Oct. 6, 1992, which is, in turn, a Continuation-in-Part of U.S. application Ser. No. 07/772,167, filed Oct. 7, 1991, now U.S. Pat. No. 5,163,650, issued Nov. 17, 1992.
This invention relates to a telescoping mast which includes an integral payload.
More particularly, the invention pertains to an integrated telescoping mast-payload assembly which is specially adapted for mobile and portable use.
In another respect the invention relates to a telescoping mast-payload assembly which is specially configured for use under hazardous ambient conditions, in conjunction with protective shelters for operating personnel.
Telescoping masts have been widely employed for radio antennas, lights and a variety of other fixtures, such as instrumentation and telemetry packages for robotic vehicles, television cameras, mast-mounted antenna rotators, preamplifiers, radiation sensors and similar fragile electronic and electro-mechanical instrument packages.
Under extreme environmental conditions encountered during transport and use of portable telescoping masts which carry such fragile or environmentally sensitive packages, it would be highly desirable to provide improved mechanical, electrical and other forms of protection for the payload when the telescoping mast is retracted. Additionally, since the nested mast height and, in turn, the operational deployed height are often critical operational parameters of a telescoping mast, it would be desirable to provide a telescoping mast-payload assembly which provides minimum nested, (fully retracted) height and in turn, maximum deployed, (fully extended) operational height.
Accordingly, the principal object of the present invention is to provide an improved telescoping mast-payload assembly.
Still another object of the invention is to provide such an assembly which has minimum nested height and maximum deployable height for a given number of telescoping mast sections.
Yet another object of the invention is to provide such an integrated telescoping mast-payload assembly which is specially adapted for mobile or portable use.
A further object of the invention is to provide an integrated mast-payload assembly which protects the payload during storage and transportation while the mast is fully retracted.
A still further object of the invention is to provide an integrated mast-payload assembly which obviates the need to remove and reinstall the payload during transportation and in which there is no need for human interaction with the assembly to install or remove a payload during storage transportation or use.
This and other, further and more specific objects of the invention will be apparent to those skilled in the art from the following detailed description, taken in conjunction with the drawings in which:
FIG. 1 is a perspective view of an integrated telescoping mast-payload assembly which embodies the present invention;
FIG. 2 is a cross-sectional view of the assembly of FIG. 1 taken along section 2—2 thereof;
FIG. 3 is a perspective cut-away view of the cable stowage-dispensing assembly of the embodiment of FIGS. 1-2;
FIGS. 4a-4c are, respectively, cut-away views of the radiating antenna element of the assembly of FIGS. 1-3, cross-sectional views thereof (along section line 4—4 of FIG. 4a) and the upper end view thereof;
FIG. 5. depicts the assembly of FIGS. 1-4, mounted externally on an operational vehicle, e.g., on the SICPS shelter of an HMMWV/CUCV transporter;
FIG. 6 depicts an alternate mobile installation of the assembly of 1-4, e.g., in the antenna mast cavity of a C2V Bradley vehicle;
FIG. 7 is a perspective view of another embodiment of the integrated telescoping mast-payload assembly of the present invention, in which the payload package does not have a central axial aperture, in which the mast sections have a polygonal cross-section and which utilizes multiple axial drive screws, and in which a cable assemble is enclosed internally of the mast and protected thereby;
FIG. 8 is a sectional view of the assembly of FIG. 7 in the fully retracted (nested) condition, taken along section line 8—8 of FIG. 9;
FIG. 9 is a side view of the assembly of FIGS. 7-8, with the mast fully retracted;
FIG. 10 is a sectional view of the assembly of FIGS. 8-9 taken along section line 10—10 thereof;
FIG. 11 is a cut-away rear view depicting a mast-payload assembly of FIGS. 7-10, mounted in the antenna mast cavity of a vehicle such as the Bradley C2V;
Briefly, in accordance with the broadest aspects of the invention, I provide an integrated telescoping mast-payload assembly comprising at least two or more nesting, telescoping mast sections, each section having an upper end and a lower end. The telescoping sections include one or more lower sections and a top section which is dimensioned to slidably nest within the next-lower section. Means are provided for extending and retracting the top section relative to the next-lower section and each of the lower sections relative to the section next below (except for the bottom section). A payload forms at least the upper end of the top section and at least a portion of the payload is received within the next-lower section when the top section is fully retracted. The lower section or sections provide protection for the payload when the top section is fully retracted.
According to a preferred embodiment, the assembly is mounted upon or in a vehicle or upon or in a transportable shelter.
In another presently preferred embodiment, the payload is an antenna for transmitting and/or receiving electro-magnetic energy such as radio signals.
In yet another preferred embodiment, one or more of the lower sections is radiopaque to shield the payload from stray electro-magnetic radiation, particularly EMP, when the assembly is retracted.
According to the best mode contemplated at present, the integrated mast-payload assembly includes means for mechanical locking the upper and lower sections together when the upper section is fully extended and when it is fully retracted, but preventing relative sequentially movement between the sections when the upper section is between the fully retracted and fully extended positions.
In another preferred embodiment of the invention, when the nature of the payload prevents forming it with a central longitudinal parameter, a plurality of axial drive screws (at least two), are employed and these drive screws are laterally spaced from the longitudinal center line of the telescoping mast sections.
The drawings are provided to further illustrate to those skilled in the art how to make and use the invention and are not intended as a limitation on the scope of the invention. In the drawings, like reference characters identify the same elements in the several views.
Referring to FIGS. 1-3, the telescoping mast-payload assembly, generally indicated by reference numeral 10 includes a bottom mast section 11, a top mast section 12 and one or more lower sections 13-19. Each of the mast sections 12-19 is dimensioned to be slidably received within the next-lower section. The top section 12 and each of the one or more lower sections 13-19 can be extended and retracted relative to the next lower section from a fully retracted position, as shown in FIGS. 1-2 to a fully extended position (not shown). A single axial drive screw 21, which is rotated by operation of an electric motor 22 which transmits rotational force through a drive train 23, engages nuts 24 carried internally at the bottom end of each of the mast sections 12-19. Rotation of the axial drive screw 21 causes upward or downward movement of the nuts 24 on the drive screw 21 and corresponding relative motion of the mast section associated with each of the nuts 24. Holddown locking mechanisms 25 are provided to cause sequential deployment and retraction of each of the mast sections 12-19, to lock adjacent sections together when the mast is fully nested and when each section is fully extended relative to its next-lower section. A cable stowage/dispensing sub-assembly 31 includes an elongate frame 32, a moveable multi-sheave pulley 33 and a spring 34 connected to the pulley 33 which urges the pulley 33 downwardly in the direction of the arrow A. The transmission line cable 35 is connected at its upper end to the connector portion 36 of a antenna element 37 which forms the hollow antenna element which forms the upper section of the telescoping assembly 10. The transmission line passes into the frame 32 forming windings 38 on the moveable pulley 33 and stationary pulley 39. A terminal portion 41 of the cable 35 is fixed by means of a hook 42 to the frame 32 and passes through an outlet aperture 43 to its point of connection with another component, e.g., radio transceiver, (not shown). Further details of the operation of the drive components 21-24, the locking devices 25 and the cable stowage/dispensing assembly 32 are disclosed in the published international application No. PCT/US92/08721 (International Publication Number WO 93/07395, published 15 Apr. 1993), which is incorporated herein by reference.
FIGS. 4a-4c depict the top section 12 of the telescoping mast of FIGS. 1-3, the major length thereof being formed as a hollow cylinder 42 having a longitudinal bore 42. At the lower end 43 the diameter of the bore 42 is increased to provide a socket 44 which receives a nut which engages threads on the axial drive screw 21. The annular shoulder 45 cooperates with the locking mechanism on the upper end of mast section 13, in the manner previously described, a key 46 is formed as a longitudinal shoulder on the outer surface of the cylindrical section 41 to prevent rotation of the upper section 12. The upper end 47 of the top section 12 is provided with a coaxial connector 48 for attaching to rf transmission cable 35 with the rf rotated/receiving components which are embedded into side walls 49 of the top section 12.
FIG. 5 depicts the integrated mast-payload assembly 10 of FIGS. 1-4, mounted externally on the rear wall 51 of an SICPS shelter 52 carried on a suitable vehicle, e.g., the HMMWV/CUCV transporter. Alternatively, as depicted in FIG. 6, the assembly 10 can be mounted within a special radio antenna enclosure, indicated by the dash lines 61 of an enclosed vehicle such as the Bradley C2V. In either case, the electrical power lines, and control cables for the drive mechanism 22 and the coaxial cable 35 are routed through the bulkheads 51 (FIG. 5) or 63 (FIG. 6) to the interior of the vehicle, which protectively houses the human operators, such that the mast and payload can be extended and retracted from within vehicles 52, 62, without requiring personnel to operate outside these shelters.
Another embodiment of the invention is depicted in FIGS. 7-11. This embodiment is useful when the character of the payload does not permit it to be formed as a hollow cylinder (as shown in FIG. 4).
As shown in FIGS. 7-11, a complex payload such as the J-STARS SCDL antenna 71 is operatively mounted on a base 72. The antenna 71 and base 72 form the upper section 73 of a multi-section telescoping mast comprising a plurality of intermediate lower sections 73 and a bottom section 74, each of the sections 72-74 are formed of aluminum frame members 75, covered and stiffened by graphite composite panels 76. Alternatively, panels 76 can be omitted, thereby reducing the wind load on the mast. The extended assembly of FIG. 7 is shown in cross-section in FIGS. 8 and 10 and in a side view in FIG. 9. In the embodiment of FIG. 7-9, the antenna cable 35 is preformed as an extensible coil 77. Power to extend and retract the assembly is provided by an electric motor 78 and associated drive mechanism 79. As shown in FIG. 11, the assembly of FIGS. 7-10 can also be mounted internally of a radio antenna well 91 formed in an appropriate vehicle such as the C2V Bradley.

Claims (22)

Having described the invention in such terms as to enable those skilled in the art to make and use it and having identified the presently known and preferred best modes thereof, I claim:
1. In a telescoping mast assembly, including:
a plurality of nesting, telescoping mast sections, including a top section and at least one lower section, each of said sections having upper and lower ends, and
means for extending and retracting each of said sections relative to the next-lower section,
the improvement comprising:
a payload, located only in said top section,
said top section, including said payload, being dimensioned to be received and nest within the next-lower section,
at least a portion of said payload being received within said next-lower section when said top section is fully retracted,
such that said next-lower section provides protection for said payload when said top section is fully retracted,
said payload being a member of the group consisting of radio antennas, lights, instrumentation and telemetry packages for robotic vehicles, television cameras, antenna rotators, preamplifiers, radiation sensors and electronic and electro-mechanical instrument packages.
2. The assembly of claim 1 mounted on a vehicle.
3. The assembly of claim 1, in which said payload is an antenna for electromagnetic energy.
4. The assembly of claim 1, in which said lower section is radiopaque.
5. The assembly of claim 1 which further includes:
(a) a transmission line cable for transmitting a signal to or from said payload; and
(b) a sub-assembly for stowing and dispensing said cable when said mast assembly is retracted and extended.
6. A telescoping mast-payload assembly for reducing the retracted height of a mast-payload assembly and for providing protection of a payload when said mast-payload assembly is fully retracted, said mast-payload assembly comprising:
(a) a telescoping mast component extending and retracting along the mast's longitudinal axis defining a mast axis, said telescoping mast component comprising:
a telescoping mast, adapted to telescope upwardly along said mast axis to an extended position and to telescope downwardly along said mast axis to a retracted position, said telescoping mast comprising:
a fixed bottom section being shaped and dimensioned to include a hollow region for telescopically receiving a next higher mast section;
a plurality of extending and retracting intermediate mast sections, each section having upper and lower ends and being shaped and dimensioned to include a hollow region for telescopically receiving the next higher mast section; and
an extending and retracting payload section defining the top section of said telescoping mast, said payload section shaped and dimensioned to be telescopically received within the hollow region of the uppermost section of said intermediate sections;
said intermediate support sections and said payload section being constructed to telescopically retract along said mast axis within the hollow region of the next lower mast section and to telescopically extend along said mast axis above the next lower mast section, said plurality of intermediate support sections supporting said payload section when said mast is extended to said extended position and receiving and protecting said payload section when said top section is fully retracted; and
(b) a payload component of said assembly forming at least a portion of said payload section and being located only in said payload section, said payload component being shaped and dimensioned to extend along said mast axis to be supported above the next-lower support section when said mast-payload assembly is extended to said extended position and to retract along said mast axis and to be at least partially received and protected within said intermediate support sections when said mast is fully retracted.
7. The telescoping mast-payload assembly of claim 6 wherein the payload is a member of the group consisting of radio antennas, lights, television cameras, antenna rotators, preamplifiers, radiation sensors, instrumentation and telemetry packages for robotic vehicles, and electronic and electro-mechanical instrument packages.
8. The telescoping mast-payload assembly of claim 6 wherein the payload is a radio antenna.
9. The telescoping mast-payload assembly of claim 8 being mounted on a vehicle.
10. The telescoping mast-payload assembly of claim 6 being mounted on a vehicle.
11. The telescoping mast-payload assembly of claim 6 , further including motor drive means for extending and retracting said payload section and said intermediate support sections relative to said bottom section.
12. A telescoping mast-payload assembly for reducing the retracted height of a mast-payload assembly and for providing protection of a payload when said mast-payload assembly is fully retracted, said mast-payload assembly comprising:
(a) a telescoping mast component extending and retracting along the mast's longitudinal axis defining a mast axis, said telescoping mast component comprising:
a telescoping mast, adapted to telescope upwardly along said mast axis to an extended position and to telescope downwardly along said mast axis to a retracted position, said telescoping mast comprising:
a fixed bottom section being shaped and dimensioned to include a hollow region for telescopically receiving a next higher mast section;
a plurality of extending and retracting intermediate mast sections, each section having upper and lower ends and being shaped and dimensioned to include a hollow region for telescopically receiving the next higher mast section; and
an extending and retracting payload section defining the top section of said telescoping mast, said payload section shaped and dimensioned to be telescopically received within the hollow region of the uppermost section of said intermediate sections;
said intermediate support sections and said payload section being constructed to telescopically retract along said mast axis within the hollow region of the next lower mast section and to telescopically extend along said mast axis above the next lower mast section, said plurality of intermediate support sections supporting said payload section when said mast is extended to said extended position and receiving and protecting said payload section when said mast is fully retracted;
(b) a payload component of said assembly forming at least a portion of said payload section and being located only in said payload section, said payload section being shaped and dimensioned to extend along said mast axis to be supported above the next-lower support section, when said mast-payload assembly is extended to said extended position and to retract along said mast axis and to be at least partially received and protected within said intermediate support sections when said mast is fully retracted; and
(c) motor drive means for extending and retracting said payload section and said intermediate support sections relative to said bottom section.
13. The telescoping mast-payload assembly of claim 12 wherein the payload is a member of the group consisting of radio antennas, lights, television cameras, antenna rotators, preamplifiers, radiation sensors, instrumentation and telemetry packages for robotic vehicles, and electronic and electro-mechanical instrument packages.
14. The telescoping mast-payload assembly of claim 13 being mounted on a vehicle.
15. The telescoping mast-payload assembly of claim 13 wherein the payload is a radio antenna.
16. The telescoping mast-payload assembly of claim 15 being mounted on a vehicle.
17. The telescoping mast-payload assembly of claim 12 further comprising:
a transmission line cable for transmitting a signal to or from said payload; and
a subassembly for stowing and dispensing said cable when said mast assembly is retracted and extended.
18. A vehicular mounted telescoping mast-payload assembly for reducing the retracted height of a mast-payload assembly and for providing protection of a payload when said mast-payload assembly is fully retracted, said mast-payload assembly comprising:
(a) a telescoping mast component extending and retracting along the mast's longitudinal axis defining a mast axis, said telescoping mast component comprising:
a telescoping mast, adapted to telescope upwardly along said mast axis to an extended position and to telescope downwardly along said mast axis to retracted position, said mast comprising:
a fixed bottom section being shaped and dimensioned to include a hollow region for telescopically receiving a next higher mast section;
an extending and retracting intermediate mast section, said section having an upper and lower end and being shaped and dimensioned to include a hollow region for telescopically receiving a next higher mast section; and
an extending and retracting payload section defining the top section of said telescoping mast, said payload section shaped and dimensioned to be telescopically received within the hollow region of the uppermost section;
said intermediate support sections and said payload section being constructed to telescopically retract along said mast axis within the hollow region of the next lower mast section and to telescopically extend along said mast axis above the next lower mast section, said intermediate support section supporting said payload section when said mast is extended to said extended position and receiving and protecting said payload section when said mast is fully retracted;
(b) a payload component of said assembly forming at least a portion of said payload section and being located only in said payload section, said payload component being shaped and dimensioned to extend along said mast axis to be supported above the next-lower support section when said mast-payload assembly is extended to said extended position and to retract along said mast axis and to be at least partially received and protected within said intermediate support section when said mast is fully retracted; and
(c) attachment means for attaching said bottom section to a vehicle.
19. The telescoping mast-payload assembly of claim 18 wherein the payload is a member of the group consisting of radio antennas, lights, television cameras, antenna rotators, preamplifiers, radiation sensors, instrumentation and telemetry packages for robotic vehicles, and electronic and electro-mechanical instrument packages.
20. The telescoping mast-payload assembly of claim 19 further comprising:
a transmission line cable for transmitting a signal to or from said payload; and
a subassembly for stowing and dispensing said cable when said mast assembled is retracted and extended.
21. The telescoping mast-payload assembly of claim 18 wherein the payload is a radio antennae.
22. The telescoping mast-payload assembly of claim 18 , further including motor drive means for extending and retracting said payload section and said intermediate support section relative to said bottom section.
US09/283,843 1991-10-07 1999-03-31 Telescoping mast with integral payload Expired - Lifetime USRE37559E1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/283,843 USRE37559E1 (en) 1991-10-07 1999-03-31 Telescoping mast with integral payload

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/772,167 US5163650A (en) 1991-10-07 1991-10-07 Telescoping mast with improved holddown-locking mechanism
US08/353,118 US5615855A (en) 1991-10-07 1994-12-09 Telescoping mast with integral payload
US09/283,843 USRE37559E1 (en) 1991-10-07 1999-03-31 Telescoping mast with integral payload

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US08/353,118 Reissue US5615855A (en) 1991-10-07 1994-12-09 Telescoping mast with integral payload

Publications (1)

Publication Number Publication Date
USRE37559E1 true USRE37559E1 (en) 2002-02-26

Family

ID=26997801

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/283,843 Expired - Lifetime USRE37559E1 (en) 1991-10-07 1999-03-31 Telescoping mast with integral payload

Country Status (1)

Country Link
US (1) USRE37559E1 (en)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050109892A1 (en) * 2003-11-25 2005-05-26 Wieslaw Bober Compound lift device
US20050241885A1 (en) * 2004-04-28 2005-11-03 The Will-Burt Company Pneumatically telescoping mast having lighting and DC operated controls
US7000357B1 (en) 2003-04-30 2006-02-21 Raytheon Company Antenna mast transport and deployment system
US20060201076A1 (en) * 2005-03-11 2006-09-14 The Will-Burt Company Support bearing assembly
WO2006098739A2 (en) * 2005-03-11 2006-09-21 The Will-Burt Company Heavy duty field mast
US20090145056A1 (en) * 2007-10-29 2009-06-11 Us Tower Corporation Polygon mast
US20090211174A1 (en) * 2000-12-05 2009-08-27 Henderson Allan P Telescopic support tower
US20100229473A1 (en) * 2009-03-11 2010-09-16 Thomas Industrial Rolls, Inc. Pneumatic Tower Design
US20100314503A1 (en) * 2009-06-16 2010-12-16 Thomas Davidson Ford Telescoping mast cable storage system
US20110089304A1 (en) * 2009-10-09 2011-04-21 Fenelon Paul J Lift System
US20110314767A1 (en) * 2010-02-25 2011-12-29 Gee Anthony F Partially self-erecting wind turbine tower
US8191322B2 (en) * 2007-10-11 2012-06-05 Frank Liestenfeltz Payload mast
US8381460B1 (en) 2007-02-27 2013-02-26 Patrick P. McDermott Extendable beam structure (EBS)
US8451165B2 (en) 2010-12-06 2013-05-28 Raytheon Company Mobile radar system
US20130271966A1 (en) * 2010-12-20 2013-10-17 Simon Doble Illuminated pole
US8955264B2 (en) * 2013-04-24 2015-02-17 Solaris Technologies, Inc. Portable tower with improved guiding and lifting systems
US9371663B2 (en) 2014-05-07 2016-06-21 Us Tower Corporation Internally keyed extruded mast system
US20170258218A1 (en) * 2009-11-28 2017-09-14 Linak A/S Telescopic Column, Preferably for Furniture
US20170292814A1 (en) * 2014-09-04 2017-10-12 Cockerill Maintenance & Ingenierie S.A. Retractable aiming system
US20180135794A1 (en) * 2018-01-15 2018-05-17 Hamaye Co Extendable cage telescopic system
US20190078331A1 (en) * 2017-09-14 2019-03-14 Christine Inez Karstens Expandable Sustainable Member Beam and Pattern
RU2695952C1 (en) * 2018-08-20 2019-07-29 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Telescopic mast
US10455435B2 (en) * 2016-09-08 2019-10-22 Commscope Technologies Llc Mobile site platform with descending capability
US10888287B2 (en) 2019-03-12 2021-01-12 Omega Medical Imaging, LLC Imaging device
US20210047161A1 (en) * 2019-08-12 2021-02-18 The Will-Burt Company Inverted cable driven mast
US11305155B2 (en) * 2018-01-22 2022-04-19 Surcles Llc Apparatus and method for physical exercises
US11624199B2 (en) * 2018-05-01 2023-04-11 Falck-Schmidt Aps Telescopic mast
US11898364B2 (en) * 2021-04-29 2024-02-13 Bt Fabrication, Llc Extendible and retractable lighting tower system

Citations (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US388491A (en) 1888-08-28 Fire escape
US797464A (en) 1905-05-11 1905-08-15 Johan Sjastram Fire-escape.
GB124268A (en) 1918-03-20 1919-03-20 Harry Donald Betz Improvements in Telescopic Masts.
US1426276A (en) 1919-06-09 1922-08-15 Charles H Clark Construction of extensible towers
US2499137A (en) 1947-05-13 1950-02-28 Gabriel Co Concealed antenna support
US2861268A (en) 1956-09-10 1958-11-18 William B Tinsley Aerial
CA671611A (en) 1963-10-01 Focke-Wulf Gesellschaft Mit Beschraenkter Haftung Mechanically extensible and retractable telescopic mast
US3158865A (en) 1961-03-28 1964-11-24 Thompson Ramo Wooldridge Inc Submarine mounted telescoping antenna
FR1430168A (en) 1964-11-26 1966-03-04 Hydraulically extendable telescopic column
US3347003A (en) 1965-03-19 1967-10-17 Lapp Insulator Co Inc Protective mounting structure for retractable antenna
DE1260800B (en) 1964-01-08 1968-02-08 Licentia Gmbh Double telescopic tripod
US3373285A (en) 1965-06-08 1968-03-12 Picker X Ray Corp Device for controlling the slack in high tension cables for a ceiling mounted x-ray tube assembly
US3688455A (en) 1970-10-23 1972-09-05 Sanders Associates Inc Telescoping support with double acting piston and latch and retaining means
US4062156A (en) 1976-01-30 1977-12-13 Dornier System Gmbh Extensible rod
US4180850A (en) 1978-06-29 1979-12-25 The Toro Company Retractable light fixture
US4254423A (en) 1977-10-01 1981-03-03 Vereinigte Flugtechnische Werke-Fokker Gmbh Telescopic equipment carrier including antennas
FR2555820A1 (en) 1983-11-28 1985-05-31 Lerc Lab Etudes Rech Chim Mast able to support at least two orientable devices and elements constituting this mast
US4577827A (en) 1982-09-30 1986-03-25 Lois G. Langley Camera holder apparatus
DE3434517A1 (en) 1984-09-20 1986-03-27 Flammex Verschleißschutz- u. Instandhaltungs GmbH, 6056 Heusenstamm Mobile telescopic mast
FR2575780A1 (en) 1985-01-07 1986-07-11 Jardillier Ets Gabriel Telescopic mast
DE3611810A1 (en) 1986-04-08 1986-08-21 Geroh GmbH Mechanische Systeme, 8551 Waischenfeld Extensible telescoping mast with a centrally arranged threaded spindle drive
US4663900A (en) 1985-12-16 1987-05-12 Singer Products Corporation Locking mast and stop ring assembly
US4725846A (en) 1986-12-12 1988-02-16 Western Mobile Communications, Inc. Disguise antenna operating in the cellular band
US4871138A (en) 1987-03-14 1989-10-03 Dornier Gmbh Telescopic device with unambiguous sequence of deployment and retraction
US4932176A (en) 1988-09-19 1990-06-12 Gte Government Systems Corporation Extendible and retractible mast system
US5101215A (en) 1985-05-10 1992-03-31 Chu Associates, Inc. Telescoping lightweight antenna tower assembly and the like
US5117595A (en) 1989-02-20 1992-06-02 Geroh Gmbh Mechanische Systeme Device for erecting and aligning a tilting telescopic mast mounted on a transport vehicle
US5163650A (en) 1991-10-07 1992-11-17 Tri-Ex Tower Corporation Telescoping mast with improved holddown-locking mechanism
US5168679A (en) 1990-09-10 1992-12-08 The Will-Burt Company Telescoping mast assembly
US5218375A (en) 1991-11-15 1993-06-08 Antenna Products Corporation Rapidly extendible and retractable antenna mast

Patent Citations (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA671611A (en) 1963-10-01 Focke-Wulf Gesellschaft Mit Beschraenkter Haftung Mechanically extensible and retractable telescopic mast
US388491A (en) 1888-08-28 Fire escape
US797464A (en) 1905-05-11 1905-08-15 Johan Sjastram Fire-escape.
GB124268A (en) 1918-03-20 1919-03-20 Harry Donald Betz Improvements in Telescopic Masts.
US1426276A (en) 1919-06-09 1922-08-15 Charles H Clark Construction of extensible towers
US2499137A (en) 1947-05-13 1950-02-28 Gabriel Co Concealed antenna support
US2861268A (en) 1956-09-10 1958-11-18 William B Tinsley Aerial
US3158865A (en) 1961-03-28 1964-11-24 Thompson Ramo Wooldridge Inc Submarine mounted telescoping antenna
DE1260800B (en) 1964-01-08 1968-02-08 Licentia Gmbh Double telescopic tripod
FR1430168A (en) 1964-11-26 1966-03-04 Hydraulically extendable telescopic column
US3347003A (en) 1965-03-19 1967-10-17 Lapp Insulator Co Inc Protective mounting structure for retractable antenna
US3373285A (en) 1965-06-08 1968-03-12 Picker X Ray Corp Device for controlling the slack in high tension cables for a ceiling mounted x-ray tube assembly
US3688455A (en) 1970-10-23 1972-09-05 Sanders Associates Inc Telescoping support with double acting piston and latch and retaining means
US4062156A (en) 1976-01-30 1977-12-13 Dornier System Gmbh Extensible rod
US4254423A (en) 1977-10-01 1981-03-03 Vereinigte Flugtechnische Werke-Fokker Gmbh Telescopic equipment carrier including antennas
US4180850A (en) 1978-06-29 1979-12-25 The Toro Company Retractable light fixture
US4577827A (en) 1982-09-30 1986-03-25 Lois G. Langley Camera holder apparatus
FR2555820A1 (en) 1983-11-28 1985-05-31 Lerc Lab Etudes Rech Chim Mast able to support at least two orientable devices and elements constituting this mast
DE3434517A1 (en) 1984-09-20 1986-03-27 Flammex Verschleißschutz- u. Instandhaltungs GmbH, 6056 Heusenstamm Mobile telescopic mast
FR2575780A1 (en) 1985-01-07 1986-07-11 Jardillier Ets Gabriel Telescopic mast
US5101215A (en) 1985-05-10 1992-03-31 Chu Associates, Inc. Telescoping lightweight antenna tower assembly and the like
US4663900A (en) 1985-12-16 1987-05-12 Singer Products Corporation Locking mast and stop ring assembly
DE3611810A1 (en) 1986-04-08 1986-08-21 Geroh GmbH Mechanische Systeme, 8551 Waischenfeld Extensible telescoping mast with a centrally arranged threaded spindle drive
US4725846A (en) 1986-12-12 1988-02-16 Western Mobile Communications, Inc. Disguise antenna operating in the cellular band
US4871138A (en) 1987-03-14 1989-10-03 Dornier Gmbh Telescopic device with unambiguous sequence of deployment and retraction
US4932176A (en) 1988-09-19 1990-06-12 Gte Government Systems Corporation Extendible and retractible mast system
US5117595A (en) 1989-02-20 1992-06-02 Geroh Gmbh Mechanische Systeme Device for erecting and aligning a tilting telescopic mast mounted on a transport vehicle
US5168679A (en) 1990-09-10 1992-12-08 The Will-Burt Company Telescoping mast assembly
US5163650A (en) 1991-10-07 1992-11-17 Tri-Ex Tower Corporation Telescoping mast with improved holddown-locking mechanism
US5218375A (en) 1991-11-15 1993-06-08 Antenna Products Corporation Rapidly extendible and retractable antenna mast

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090211174A1 (en) * 2000-12-05 2009-08-27 Henderson Allan P Telescopic support tower
US7000357B1 (en) 2003-04-30 2006-02-21 Raytheon Company Antenna mast transport and deployment system
US7044423B2 (en) * 2003-11-25 2006-05-16 Wieslaw Bober Compound lift device
WO2005054110A2 (en) * 2003-11-25 2005-06-16 Wieslaw Bober Compound lift device
WO2005054110A3 (en) * 2003-11-25 2005-08-18 Wieslaw Bober Compound lift device
US20050109892A1 (en) * 2003-11-25 2005-05-26 Wieslaw Bober Compound lift device
US20050241885A1 (en) * 2004-04-28 2005-11-03 The Will-Burt Company Pneumatically telescoping mast having lighting and DC operated controls
US7989979B2 (en) 2004-04-28 2011-08-02 The Will-Burt Company Pneumatically telescoping mast having DC operated controls
US8237306B2 (en) 2004-04-28 2012-08-07 The Will-Burt Company Pneumatically telescoping mast having lighting and DC operated controls
WO2006098739A3 (en) * 2005-03-11 2007-10-11 Burt Will Comp Heavy duty field mast
US7497140B2 (en) 2005-03-11 2009-03-03 The Will-Burt Company Heavy Duty field mast
WO2006098739A2 (en) * 2005-03-11 2006-09-21 The Will-Burt Company Heavy duty field mast
US20060201076A1 (en) * 2005-03-11 2006-09-14 The Will-Burt Company Support bearing assembly
US8887450B2 (en) 2005-03-11 2014-11-18 The Will-Burt Company Support bearing assembly
US20060213295A1 (en) * 2005-03-11 2006-09-28 The Will-Burt Company Heavy duty field mast
US8381460B1 (en) 2007-02-27 2013-02-26 Patrick P. McDermott Extendable beam structure (EBS)
US8191322B2 (en) * 2007-10-11 2012-06-05 Frank Liestenfeltz Payload mast
US20090145056A1 (en) * 2007-10-29 2009-06-11 Us Tower Corporation Polygon mast
US8413390B2 (en) 2007-10-29 2013-04-09 Us Tower Corporation Polygon mast
US20100229473A1 (en) * 2009-03-11 2010-09-16 Thomas Industrial Rolls, Inc. Pneumatic Tower Design
US8288973B2 (en) * 2009-06-16 2012-10-16 Ns Microwave Telescoping mast cable storage system
US20100314503A1 (en) * 2009-06-16 2010-12-16 Thomas Davidson Ford Telescoping mast cable storage system
US9271572B2 (en) 2009-10-09 2016-03-01 Paul J. Fenelon Lift system
US20110089304A1 (en) * 2009-10-09 2011-04-21 Fenelon Paul J Lift System
US10959514B2 (en) * 2009-11-28 2021-03-30 Linak A/S Telescopic column, preferably for furniture
US20170258218A1 (en) * 2009-11-28 2017-09-14 Linak A/S Telescopic Column, Preferably for Furniture
US8302365B2 (en) * 2010-02-25 2012-11-06 Gee Anthony F Partially self-erecting wind turbine tower
US20110314767A1 (en) * 2010-02-25 2011-12-29 Gee Anthony F Partially self-erecting wind turbine tower
US8451165B2 (en) 2010-12-06 2013-05-28 Raytheon Company Mobile radar system
US9273855B2 (en) * 2010-12-20 2016-03-01 Doble Telescopic Lighting Pty Ltd. Illuminated pole
US20130271966A1 (en) * 2010-12-20 2013-10-17 Simon Doble Illuminated pole
US8955264B2 (en) * 2013-04-24 2015-02-17 Solaris Technologies, Inc. Portable tower with improved guiding and lifting systems
US9371663B2 (en) 2014-05-07 2016-06-21 Us Tower Corporation Internally keyed extruded mast system
US20170292814A1 (en) * 2014-09-04 2017-10-12 Cockerill Maintenance & Ingenierie S.A. Retractable aiming system
US10455435B2 (en) * 2016-09-08 2019-10-22 Commscope Technologies Llc Mobile site platform with descending capability
US20190078331A1 (en) * 2017-09-14 2019-03-14 Christine Inez Karstens Expandable Sustainable Member Beam and Pattern
US10501937B2 (en) * 2017-09-14 2019-12-10 Christine Inez Karstens Expandable sustainable member beam and pattern
US10746349B2 (en) * 2018-01-15 2020-08-18 Hamaye Co Extendable cage telescopic system
US20180135794A1 (en) * 2018-01-15 2018-05-17 Hamaye Co Extendable cage telescopic system
US11305155B2 (en) * 2018-01-22 2022-04-19 Surcles Llc Apparatus and method for physical exercises
US11624199B2 (en) * 2018-05-01 2023-04-11 Falck-Schmidt Aps Telescopic mast
RU2695952C1 (en) * 2018-08-20 2019-07-29 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Telescopic mast
US10888287B2 (en) 2019-03-12 2021-01-12 Omega Medical Imaging, LLC Imaging device
US20210047161A1 (en) * 2019-08-12 2021-02-18 The Will-Burt Company Inverted cable driven mast
US11828077B2 (en) * 2019-08-12 2023-11-28 Kevin Miller Inverted cable driven mast
US11898364B2 (en) * 2021-04-29 2024-02-13 Bt Fabrication, Llc Extendible and retractable lighting tower system

Similar Documents

Publication Publication Date Title
USRE37559E1 (en) Telescoping mast with integral payload
US5615855A (en) Telescoping mast with integral payload
US7000357B1 (en) Antenna mast transport and deployment system
ES2638001T3 (en) Telescopic mast
US5593129A (en) Telescoping mast with improved holddown-locking mechanism
US8368606B1 (en) Trailer mounted satellite system
US11643835B2 (en) Transportable contained tower system
US9312596B2 (en) Mobile tower system
US8467741B2 (en) Mobile tower system
US6046706A (en) Antenna mast and method of using same
US9509036B2 (en) Communications units with high capacity low profile antenna arrangements
WO1987000351A1 (en) Axial multipole mobile antenna
US6041558A (en) Collapsible tower system for antenna or the like
US4864784A (en) Mast extending and rotating apparatus
WO1995027146A1 (en) Telescoping mast with integral payload
US5721558A (en) Deployable helical antenna
US6546677B1 (en) Telescoping mast assembly
US20200112078A1 (en) Telescopic antenna mast
US20140059949A1 (en) Telescopic multi-mast system
US8922451B2 (en) Lockdown mechanism for an electric drive screw telescoping mast system
US11255101B2 (en) Mobile tower system
JP7449365B2 (en) inverted cable drive mast
CN107571936B (en) Integrated mast system for reconnaissance
US20200331379A1 (en) Mobile Tower System
US4376939A (en) Positive lock for deployable whip antennas

Legal Events

Date Code Title Description
AS Assignment

Owner name: WILL-BURT COMPANY, AN OHIO CORPORATION, THE, OHIO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TRI-EX TOWER CORPORATION, A CALIFORNIA CORPORATION;REEL/FRAME:010785/0010

Effective date: 20000323

FPAY Fee payment

Year of fee payment: 8

FPAY Fee payment

Year of fee payment: 12

AS Assignment

Owner name: JPMORGAN CHASE BANK, N.A., OHIO

Free format text: SECURITY INTEREST;ASSIGNOR:THE WILL-BURT COMPANY;REEL/FRAME:043433/0753

Effective date: 20170825

AS Assignment

Owner name: THE WILL-BURT COMPANY, OHIO

Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:JPMORGAN CHASE BANK, N.A.;REEL/FRAME:059298/0066

Effective date: 20220317