CA980757A - Counterweight jack mechanism for cranes and the like - Google Patents

Counterweight jack mechanism for cranes and the like

Info

Publication number
CA980757A
CA980757A CA182,188A CA182188A CA980757A CA 980757 A CA980757 A CA 980757A CA 182188 A CA182188 A CA 182188A CA 980757 A CA980757 A CA 980757A
Authority
CA
Canada
Prior art keywords
cranes
jack mechanism
counterweight jack
counterweight
jack
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
CA182,188A
Other versions
CA182188S (en
Inventor
Theodore M. Leigh
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.)
FMC Corp
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
Application granted granted Critical
Publication of CA980757A publication Critical patent/CA980757A/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
    • 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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • 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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
CA182,188A 1973-05-16 1973-09-28 Counterweight jack mechanism for cranes and the like Expired CA980757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US360726A US3874515A (en) 1973-05-16 1973-05-16 Counterweight jack mechanisms for cranes and the like

Publications (1)

Publication Number Publication Date
CA980757A true CA980757A (en) 1975-12-30

Family

ID=23419171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,188A Expired CA980757A (en) 1973-05-16 1973-09-28 Counterweight jack mechanism for cranes and the like

Country Status (6)

Country Link
US (1) US3874515A (en)
JP (1) JPS5733277B2 (en)
CA (1) CA980757A (en)
DE (1) DE2406614A1 (en)
FR (1) FR2229640A1 (en)
IT (1) IT994735B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151786A (en) * 1977-05-12 1979-05-01 Jlg Industries, Inc. Outrigger beam and jack construction
SE437636B (en) * 1979-12-28 1985-03-11 Soederstroem Berry VEHICLES, EQUIPPED WITH A TURNTED OR TURNABLE HALLERY FOR PREPARING A WORKING TOOL
JPS58220989A (en) * 1982-06-14 1983-12-22 Diesel Kiki Co Ltd Compressor of variable displacement vane type
FR2560833A1 (en) * 1984-03-09 1985-09-13 Chaudronnerie Indle Cie Medite Road vehicle bearing plant on a pivoting turret
CH667448A5 (en) * 1985-02-15 1988-10-14 Ernst Zimmermann UNDERCARRIAGE OF A HEAVY DUTY VEHICLE, ESPECIALLY A MULTI-AXLE MOBILE CRANE.
CH684087A5 (en) * 1991-09-20 1994-07-15 Rieter Ag Maschf Tilt lock on driverless transport vehicle in textile plants.
US7967158B2 (en) 2006-10-27 2011-06-28 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
WO2010077185A1 (en) * 2008-12-29 2010-07-08 Volvo Lastvagnar Ab Method for operating a crane arrangement, crane arrangement and vehicle comprising a crane arrangement
US8265833B2 (en) 2009-11-11 2012-09-11 Flanders Electric, Ltd. Systems and methods for detecting jack contact with ground
DE102010055416A1 (en) * 2010-12-21 2012-06-21 Schaeffler Technologies Gmbh & Co. Kg Supporting device for work vehicles
CN102837807A (en) * 2012-09-07 2012-12-26 三一集团有限公司 Unloading overturning preventing device and ship loading and unloading machine
US10183848B2 (en) * 2014-01-27 2019-01-22 Manitowoc Crane Companies, Llc Height adjustment mechanism for an auxiliary member on a crane
CN110255402B (en) 2014-01-27 2022-02-18 马尼托瓦克起重机有限责任公司 Hoisting crane with improved movable counterweight
DE102016011189A1 (en) * 2016-09-15 2018-03-15 Liebherr-Werk Ehingen Gmbh Device for stabilizing a crane
US10611347B1 (en) 2018-04-23 2020-04-07 Oshkosh Corporation Integrated ground pad
CN114162093B (en) * 2021-12-27 2023-07-18 湖南文辉汽车制造有限公司 Pull type motor home parking landing leg convenient to adjust

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1393360A (en) * 1921-10-11 lorain
US1350992A (en) * 1919-02-07 1920-08-24 Keystone Driller Co Means for leveling and staying excavating-machines
US1727801A (en) * 1928-04-10 1929-09-10 Rudolph A Anderson Yielding power take-off
US2683576A (en) * 1949-06-14 1954-07-13 Harry G Miller Hydraulic stabilizing support
US3239169A (en) * 1963-12-02 1966-03-08 Automatic Motor Base Co Machinery support
US3227287A (en) * 1964-01-15 1966-01-04 Universal Marion Corp Stabilizer unit for mobile crane apparatus and the like

Also Published As

Publication number Publication date
JPS5015216A (en) 1975-02-18
US3874515A (en) 1975-04-01
DE2406614A1 (en) 1974-11-28
FR2229640A1 (en) 1974-12-13
IT994735B (en) 1975-10-20
JPS5733277B2 (en) 1982-07-16

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