ZA728981B - Latch mechanism for extensible boom - Google Patents

Latch mechanism for extensible boom

Info

Publication number
ZA728981B
ZA728981B ZA728981A ZA728981A ZA728981B ZA 728981 B ZA728981 B ZA 728981B ZA 728981 A ZA728981 A ZA 728981A ZA 728981 A ZA728981 A ZA 728981A ZA 728981 B ZA728981 B ZA 728981B
Authority
ZA
South Africa
Prior art keywords
latch mechanism
extensible boom
boom
extensible
latch
Prior art date
Application number
ZA728981A
Inventor
R Kraft
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Publication of ZA728981B publication Critical patent/ZA728981B/en

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
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/061—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks characterised by having a lifting jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/40—Buckles
    • Y10T24/4058—Penetrating prong
    • Y10T24/4065—Pivoted
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Forklifts And Lifting Vehicles (AREA)
ZA728981A 1972-01-14 1972-12-20 Latch mechanism for extensible boom ZA728981B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21787172A 1972-01-14 1972-01-14

Publications (1)

Publication Number Publication Date
ZA728981B true ZA728981B (en) 1973-09-26

Family

ID=22812824

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728981A ZA728981B (en) 1972-01-14 1972-12-20 Latch mechanism for extensible boom

Country Status (2)

Country Link
US (1) US3788492A (en)
ZA (1) ZA728981B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636132A (en) * 1983-06-06 1987-01-13 Caterpillar Inc. Vehicle boom lock
US4579504A (en) * 1983-09-12 1986-04-01 Lemme Daniel C Crane for lifting device such as fork lift
US4540096A (en) * 1984-08-23 1985-09-10 Orvis Victor R Truss boom
US4809815A (en) * 1988-04-19 1989-03-07 Wallace Donald R Hand climber for hunting uses
US5076448A (en) * 1988-12-08 1991-12-31 Hein-Werner Corporation Portable hydraulic crane
US5054989A (en) * 1989-08-24 1991-10-08 Fell Donald M Skid-steer loader mini-crane attachment
US5119961A (en) * 1990-04-09 1992-06-09 Runn Lawrence E Electric pickup winch
DE202004013069U1 (en) * 2004-08-20 2006-01-05 Weha - Ludwig Werwein Gmbh Crane jib fitting for fork lift truck has the jib attached to a support frame slung under the forks at a set spacing from same to reach into containers
US20060285961A1 (en) * 2005-06-10 2006-12-21 Ornig Joseph R Railway car door operator assembly
US20080056875A1 (en) * 2006-09-06 2008-03-06 Jlg Industries, Inc. Extendible truss boom
US20100126806A1 (en) * 2008-11-24 2010-05-27 Mccarthy Building Companies, Inc. Apparatus and method for forming columns
US8454295B2 (en) * 2010-03-16 2013-06-04 David E. Balcom Detachable boom apparatus for fork trucks
CA2756182A1 (en) * 2011-10-14 2013-04-14 Joshua M. Bellavance Method and apparatus for using an excavator having a boom as a lifting apparatus
MX348906B (en) * 2012-04-03 2017-05-30 Manuel Medina Ruiz Juan Toxic fume injector for extinguishing forest fires.
US9139405B2 (en) 2012-04-30 2015-09-22 David E. Balcom Fork-mounted fork truck boom apparatus
US9546082B2 (en) 2013-03-13 2017-01-17 David E. Balcom Fork truck boom apparatus
DE102013011173B4 (en) * 2013-07-04 2019-05-23 Liebherr-Werk Ehingen Gmbh Method for assembling a crane as well as articulation, telescopic boom and crane
US10087059B1 (en) * 2017-01-11 2018-10-02 Custom Mobile Equipment, Inc. Double column boom attachment for a lift truck
US10280055B2 (en) * 2017-05-02 2019-05-07 William von Eberstein Ball joint lifting assembly and method
US10710848B2 (en) * 2017-11-17 2020-07-14 Pettibone/Traverse Lift, Llc Wearpad and wearpad housing arrangement for a telescopic boom assembly
JP7445394B2 (en) * 2018-06-04 2024-03-07 マニタウォック クレイン カンパニーズ， エルエルシー Telescopic boom with rotary extension and locking system
US10858229B1 (en) * 2019-01-08 2020-12-08 Alvin Tucker Forklift load-lifting device
US20210114509A1 (en) * 2019-10-18 2021-04-22 David J. Mayer Apparatus and method for placing a tarpaulin on a payload of a moveable vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB257406A (en) * 1925-08-26 1926-09-02 Burt Brothers Ltd Improvements in locking devices for telescopically adjustable members
US2477167A (en) * 1947-06-11 1949-07-26 American Steel & Wire Co Extensible tractor ram
US3059785A (en) * 1961-03-03 1962-10-23 Kazmere S Buckeye Crane or jack
US3450425A (en) * 1967-11-14 1969-06-17 Atwood Vacuum Machine Co Seat adjuster latch construction

Also Published As

Publication number Publication date
US3788492A (en) 1974-01-29

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