CA941860A - Automatic lifting tongs - Google Patents

Automatic lifting tongs

Info

Publication number
CA941860A
CA941860A CA098,947A CA98947A CA941860A CA 941860 A CA941860 A CA 941860A CA 98947 A CA98947 A CA 98947A CA 941860 A CA941860 A CA 941860A
Authority
CA
Canada
Prior art keywords
automatic lifting
lifting tongs
tongs
automatic
lifting
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
CA098,947A
Other versions
CA98947S (en
Inventor
Crichton L. Johnstone
John W. Paton
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.)
British Steel Corp
Original Assignee
British Steel 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 British Steel Corp filed Critical British Steel Corp
Application granted granted Critical
Publication of CA941860A publication Critical patent/CA941860A/en
Expired legal-status Critical Current

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
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
CA098,947A 1969-12-02 1970-11-24 Automatic lifting tongs Expired CA941860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5889969 1969-12-02

Publications (1)

Publication Number Publication Date
CA941860A true CA941860A (en) 1974-02-12

Family

ID=10482644

Family Applications (1)

Application Number Title Priority Date Filing Date
CA098,947A Expired CA941860A (en) 1969-12-02 1970-11-24 Automatic lifting tongs

Country Status (8)

Country Link
US (1) US3697118A (en)
JP (1) JPS4935375B1 (en)
BE (1) BE759705A (en)
CA (1) CA941860A (en)
DE (1) DE2058858A1 (en)
FR (1) FR2073445B1 (en)
GB (1) GB1326743A (en)
NL (1) NL7017584A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106612A (en) * 1976-09-24 1978-08-15 Mbi Corporation Gripper for case unloader
FR2374253A1 (en) * 1976-12-17 1978-07-13 Creusot Loire Automatic lifting tongs - are locked open when not in use and are strong and compact
CH605389A5 (en) * 1977-05-17 1978-09-29 Kueng Hans
US4545722A (en) * 1983-05-04 1985-10-08 Westinghouse Electric Corp. Flexible robot gripper for irregular shapes
FR2611823B1 (en) * 1987-03-03 1989-04-14 Noirot Yves LOCKING AND UNLOCKING DEVICE
US5666758A (en) * 1995-06-07 1997-09-16 Vaillier, Deceased; George Louis Retrieval mechanism
FR2752232A1 (en) * 1996-08-08 1998-02-13 Batiment Et De Construction Cb Self-acting load pick=up attachment for crane handling
JP2824641B1 (en) 1997-01-27 1998-11-11 野津運送株式会社 Equipment for holding and lifting loads
US6012752A (en) * 1999-02-24 2000-01-11 Douglas; William E. Concrete pipe lifting apparatus
ES2162600B1 (en) * 2000-04-03 2002-06-01 Talleres Ojeda S L GRIPPER FOR LIFTING CONCRETE BLOCKS.
US20040135389A1 (en) * 2003-01-09 2004-07-15 Helms Robert J. Lifting device for manhole tops and manhole covers
US7673917B2 (en) * 2006-08-14 2010-03-09 Marc Oliason Variable diameter lifting tongs
US20090194300A1 (en) * 2008-01-31 2009-08-06 Bac Industries Inc. Brush Grubber
US8602469B2 (en) * 2009-07-09 2013-12-10 R&S Systems, Llc Method and apparatus for lifting cumbersome articles
US8528951B1 (en) 2010-10-26 2013-09-10 Karl R. Aberth Folding reach extender
US9022443B1 (en) 2010-10-26 2015-05-05 Karl R. Aberth Folding reach extender
JP5890134B2 (en) * 2011-09-16 2016-03-22 渡辺建設株式会社 Lifting device and method using the same
CN102862913A (en) * 2012-09-29 2013-01-09 浙江荣峰起重机械制造有限公司 Automatic opening and closing fixture
JP2014136816A (en) * 2013-01-16 2014-07-28 Olympus Corp Fixture for an anodic oxidation treatment
CN103771262B (en) * 2014-01-21 2015-10-14 天津格林兰机械装备有限公司 Automatic folding type steel pipe tongs
CN105936473B (en) * 2016-06-15 2017-11-07 盐城丰东特种炉业有限公司 A kind of Self-loading-unloading hook gear
US10111412B1 (en) * 2017-10-24 2018-10-30 Roland G Hebert Fish culling clip
JP2019099370A (en) * 2017-12-08 2019-06-24 株式会社クボタ Clamp device and tube transportation vehicle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2337177A (en) * 1942-10-08 1943-12-21 Breslav Jack Lifting grab

Also Published As

Publication number Publication date
JPS4935375B1 (en) 1974-09-21
NL7017584A (en) 1971-06-04
GB1326743A (en) 1973-08-15
DE2058858A1 (en) 1971-06-09
US3697118A (en) 1972-10-10
BE759705A (en) 1971-05-17
FR2073445A1 (en) 1971-10-01
FR2073445B1 (en) 1978-01-13

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