ZA728982B - Adjustable,self-locking mechanism for booms - Google Patents

Adjustable,self-locking mechanism for booms

Info

Publication number
ZA728982B
ZA728982B ZA728982A ZA728982A ZA728982B ZA 728982 B ZA728982 B ZA 728982B ZA 728982 A ZA728982 A ZA 728982A ZA 728982 A ZA728982 A ZA 728982A ZA 728982 B ZA728982 B ZA 728982B
Authority
ZA
South Africa
Prior art keywords
booms
adjustable
self
locking mechanism
locking
Prior art date
Application number
ZA728982A
Inventor
E Schmidt
C Glass
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 ZA728982B publication Critical patent/ZA728982B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • 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
    • 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.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Forklifts And Lifting Vehicles (AREA)
ZA728982A 1972-01-14 1972-12-20 Adjustable,self-locking mechanism for booms ZA728982B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21790072A 1972-01-14 1972-01-14

Publications (1)

Publication Number Publication Date
ZA728982B true ZA728982B (en) 1973-09-26

Family

ID=22812942

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728982A ZA728982B (en) 1972-01-14 1972-12-20 Adjustable,self-locking mechanism for booms

Country Status (2)

Country Link
US (1) US3759399A (en)
ZA (1) ZA728982B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214665A (en) * 1978-06-01 1980-07-29 Newman Timothy L Truck mounted railroad crane boom section
US4314622A (en) * 1980-03-26 1982-02-09 Lindquist William W Extension boom for tractors having back hoe attachments
US4579504A (en) * 1983-09-12 1986-04-01 Lemme Daniel C Crane for lifting device such as fork lift
US4657469A (en) * 1984-06-21 1987-04-14 Beierle Carl F Trestle-type reel carrier
AT388153B (en) * 1987-06-03 1989-05-10 Transporte Waizinger Ges M B H Hoist for emptying waste-material collecting containers or the like
US5054989A (en) * 1989-08-24 1991-10-08 Fell Donald M Skid-steer loader mini-crane attachment
US5556148A (en) * 1994-09-28 1996-09-17 Skinner; Richard L. Attachment device for motor cranes
NL1004177C2 (en) * 1996-10-02 1998-04-06 Magcon S A An order picking tool for order picking in warehouses with palletized goods storage.
US6860704B2 (en) * 2000-08-21 2005-03-01 Steven Buoncuore Rail car lid lifter
US8317244B1 (en) * 2008-08-22 2012-11-27 Jay Wesley Schuyleman Apparatus and method for positioning an object in a building
US8454295B2 (en) * 2010-03-16 2013-06-04 David E. Balcom Detachable boom apparatus for fork trucks
US8245456B2 (en) * 2010-10-19 2012-08-21 Ed Anderson Boom assembly
US20120177469A1 (en) * 2011-01-12 2012-07-12 DBA Vestcome Retail Solutions Transport Device For Media Roll Used With Grand Format Printer
US9033165B2 (en) * 2011-02-09 2015-05-19 Oshkosh Corporation Crane assembly
GB201117251D0 (en) * 2011-10-05 2011-11-16 Autochair Ltd Hoist mechanism
US9139405B2 (en) 2012-04-30 2015-09-22 David E. Balcom Fork-mounted fork truck boom apparatus
CN103145072B (en) * 2013-03-07 2016-07-06 广州广日物流有限公司 A kind of fork truck extension arm
US9161526B2 (en) * 2013-03-12 2015-10-20 Jerry Lynn NIPPER Telescoping boom hoist system
US9546082B2 (en) 2013-03-13 2017-01-17 David E. Balcom Fork truck boom apparatus
ITTV20130143A1 (en) * 2013-09-12 2015-03-13 Italcarrelli S R L SELF PROPELLED VEHICLE FOR THE HANDLING OF RIGID HARNESSES DOOR-SLAB
CA2865727A1 (en) 2013-09-30 2015-03-30 Posi-Plus Technologies Inc. Telescoping arm with securable pole-tilt assembly
CN104192768B (en) * 2014-08-20 2016-08-24 济南巴顿化肥有限公司 A kind of boom hoisting of bulk material
US9499380B1 (en) * 2015-04-30 2016-11-22 Jerry Eischens Hook attachment for a forklift vehicle
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
CA3121529A1 (en) * 2020-07-07 2022-01-07 James Mcleod Clearing device for removal of snow or ice from a pipe
US20230264932A1 (en) * 2022-02-21 2023-08-24 Oshkosh Corporation Multifunctional boom system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US248949A (en) * 1881-11-01 Claip
US2487997A (en) * 1944-08-28 1949-11-15 West Roger Rolleston Straight beam adjustable jaw quick release clamp
US2867333A (en) * 1956-07-17 1959-01-06 Emmett Conrad Hoisting crane
US3116840A (en) * 1961-10-30 1964-01-07 Tel E Lect Products Inc Utility equipment

Also Published As

Publication number Publication date
US3759399A (en) 1973-09-18

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