ZA892525B - Extensible mast - Google Patents

Extensible mast

Info

Publication number
ZA892525B
ZA892525B ZA892525A ZA892525A ZA892525B ZA 892525 B ZA892525 B ZA 892525B ZA 892525 A ZA892525 A ZA 892525A ZA 892525 A ZA892525 A ZA 892525A ZA 892525 B ZA892525 B ZA 892525B
Authority
ZA
South Africa
Prior art keywords
extensible mast
mast
extensible
Prior art date
Application number
ZA892525A
Other languages
English (en)
Inventor
Henry J Mcginnis
J Mcginnis Henry
Original Assignee
Rapid Deployment Towers Inc
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
Application filed by Rapid Deployment Towers Inc filed Critical Rapid Deployment Towers Inc
Publication of ZA892525B publication Critical patent/ZA892525B/xx

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
ZA892525A 1988-04-07 1989-04-05 Extensible mast ZA892525B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/178,563 US4866893A (en) 1988-04-07 1988-04-07 Extensible mast

Publications (1)

Publication Number Publication Date
ZA892525B true ZA892525B (en) 1990-03-28

Family

ID=22653038

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA892525A ZA892525B (en) 1988-04-07 1989-04-05 Extensible mast

Country Status (5)

Country Link
US (1) US4866893A (de)
EP (1) EP0336747A3 (de)
AU (1) AU605971B2 (de)
IL (1) IL89863A (de)
ZA (1) ZA892525B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025606A (en) * 1989-04-27 1991-06-25 Rapid Deployment Towers, Inc. Guy control system for extensible mast
CA2087441A1 (en) * 1990-07-16 1992-01-17 Michael Patrick Mcdonnell Extendable mast support system
AUPM810594A0 (en) * 1994-09-13 1994-10-06 Mitchell, John Albert Improved structural member
DE19716886C2 (de) * 1997-04-22 2001-02-01 Sick Ag Verfahren und Vorrichtung zum Lesen eines Strichcodes
US6104910A (en) * 1997-06-09 2000-08-15 Koths; Kerry R. Stabilized mobile relay station
US7310915B2 (en) 2000-09-22 2007-12-25 Tower Solutions, Llc Retractable column and method of forming
US7231741B2 (en) * 2001-03-30 2007-06-19 Sbc Technology Resources, Inc. Mobile cellular telephone tower
WO2004094790A2 (en) 2003-04-17 2004-11-04 Tower Solutions, Llc Extendable/retractable support column
US7694486B2 (en) * 2003-12-12 2010-04-13 Alliant Techsystems Inc. Deployable truss having second order augmentation
DE202004009782U1 (de) * 2004-06-22 2005-11-03 Liebherr-Werk Ehingen Gmbh Kran-Gitterausleger und Kran
US7015872B1 (en) * 2004-07-13 2006-03-21 Little Carl H Mast assembly
US8042305B2 (en) * 2005-03-15 2011-10-25 Alliant Techsystems Inc. Deployable structural assemblies, systems for deploying such structural assemblies
US7694465B2 (en) * 2005-04-08 2010-04-13 Alliant Techsystems Inc. Deployable structural assemblies, systems for deploying such structural assemblies and related methods
US20110012003A1 (en) * 2005-04-19 2011-01-20 Geo Systems, Inc. Apparatus and methods for providing a retractible mast
WO2012058403A1 (en) * 2010-10-29 2012-05-03 Tower Solutions, Llc Extendable/retractable support column
US8522511B2 (en) 2010-12-20 2013-09-03 Raytheon Company Methods and apparatus for mast system with enhanced load bearing
ITTO20120863A1 (it) * 2012-10-04 2014-04-05 Drillmec Spa Impianto di trivellazione mobile.
DE202015000425U1 (de) * 2015-01-23 2016-04-26 Deutsches Zentrum für Luft- und Raumfahrt e.V. Parabolrinnenkollektormodul, Parabolrinnenkollektormoduleinheit sowie solarthermisches Kraftwerk
US10119292B1 (en) 2015-07-02 2018-11-06 M.M.A. Design, LLC Deployable boom and deployable boom with solar blanket
US10920444B2 (en) 2018-03-22 2021-02-16 Tower Solutions, Llc Mobile tower for transportation and remote deployment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130993A (en) * 1936-07-02 1938-09-20 Dubiller William Collapsible rod
DE939756C (de) * 1952-10-04 1956-03-01 Telefunken Gmbh Wickelvorrichtung fuer aus- und einfahrbare Maste
US3012635A (en) * 1958-06-06 1961-12-12 Willard E Blain Chain column hoist
US3016988A (en) * 1959-10-19 1962-01-16 Charles W Browning Lifting device
US3033529A (en) * 1961-03-10 1962-05-08 Craig Systems Inc Automatic guy tensioning device for erection of masts
US3213573A (en) * 1962-07-12 1965-10-26 Thiokol Chemical Corp Extensible and retractable member
US4625475A (en) * 1985-05-13 1986-12-02 Mcginnis Henry J Extensible mast

Also Published As

Publication number Publication date
EP0336747A3 (de) 1990-08-01
IL89863A (en) 1991-03-10
AU605971B2 (en) 1991-01-24
AU3253389A (en) 1989-10-12
EP0336747A2 (de) 1989-10-11
IL89863A0 (en) 1989-12-15
US4866893A (en) 1989-09-19

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