AU4668572A - Stress balanced extendible boom structure - Google Patents

Stress balanced extendible boom structure

Info

Publication number
AU4668572A
AU4668572A AU46685/72A AU4668572A AU4668572A AU 4668572 A AU4668572 A AU 4668572A AU 46685/72 A AU46685/72 A AU 46685/72A AU 4668572 A AU4668572 A AU 4668572A AU 4668572 A AU4668572 A AU 4668572A
Authority
AU
Australia
Prior art keywords
boom structure
extendible boom
stress balanced
balanced
stress
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
Application number
AU46685/72A
Other languages
English (en)
Inventor
Harris Mccollum Fenwick
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.)
DELMAR ENGINEERING LABORATORIES
Original Assignee
Del Mar Engineering Laboratories
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 Del Mar Engineering Laboratories filed Critical Del Mar Engineering Laboratories
Publication of AU4668572A publication Critical patent/AU4668572A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/22—Lazy-tongs mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
AU46685/72A 1971-10-14 1972-09-14 Stress balanced extendible boom structure Expired AU4668572A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18936171A 1971-10-14 1971-10-14
USUS189361 1971-10-14

Publications (1)

Publication Number Publication Date
AU4668572A true AU4668572A (en) 1974-03-21

Family

ID=22696995

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46685/72A Expired AU4668572A (en) 1971-10-14 1972-09-14 Stress balanced extendible boom structure

Country Status (4)

Country Link
JP (1) JPS4847101A (enrdf_load_stackoverflow)
AU (1) AU4668572A (enrdf_load_stackoverflow)
DE (1) DE2249927A1 (enrdf_load_stackoverflow)
FR (1) FR2156350A1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941170C2 (de) * 1979-10-11 1984-02-23 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Durch Zwangskopplung auseinander- und zusammenfaltbare flächige Struktur
US4583907A (en) * 1984-05-18 1986-04-22 Wimberley Ronald J Extensible apparatus
FR2647770B1 (fr) * 1989-06-05 1991-09-06 Polytec Dispositif de deplacement curviligne d'un objet au contact d'une surface notamment convexe
JPH0754240Y2 (ja) * 1990-06-04 1995-12-13 セイレイ工業株式会社 高所作業車
FR2695116B1 (fr) * 1992-08-25 1995-06-02 Gilles Curel Dispositif à bras articulés permettant de mouvoir dans un espace de forme conique une plate forme pouvant recevoir différents objets ou systèmes.
DE19729657A1 (de) * 1997-07-11 1999-01-14 Asea Brown Boveri Scherenangetriebener Roboterarm und Portalroboter
DE19927310C2 (de) * 1999-06-15 2002-12-05 Liftlux Potain Gmbh Arbeitsbühne
FR2910579B1 (fr) * 2006-12-22 2009-04-03 Jacques Delaplace Dispositif de poussee a pantographe

Also Published As

Publication number Publication date
JPS4847101A (enrdf_load_stackoverflow) 1973-07-04
FR2156350A1 (enrdf_load_stackoverflow) 1973-05-25
DE2249927A1 (de) 1973-04-19

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