JPS595656U - - Google Patents

Info

Publication number
JPS595656U
JPS595656U JP9725082U JP9725082U JPS595656U JP S595656 U JPS595656 U JP S595656U JP 9725082 U JP9725082 U JP 9725082U JP 9725082 U JP9725082 U JP 9725082U JP S595656 U JPS595656 U JP S595656U
Authority
JP
Japan
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.)
Pending
Application number
JP9725082U
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 filed Critical
Priority to JP9725082U priority Critical patent/JPS595656U/ja
Publication of JPS595656U publication Critical patent/JPS595656U/ja
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14Grabs opened or closed by driving motors thereon
    • B66C3/16Grabs opened or closed by driving motors thereon by fluid motors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/40Dippers; Buckets Grab device, e.g. manufacturing processes for buckets, form, geometry, material of buckets
    • E02F3/413Dippers; Buckets Grab device, e.g. manufacturing processes for buckets, form, geometry, material of buckets with grabbing device
    • E02F3/4135Dippers; Buckets Grab device, e.g. manufacturing processes for buckets, form, geometry, material of buckets with grabbing device with grabs mounted directly on a boom
JP9725082U 1982-06-30 1982-06-30 Pending JPS595656U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9725082U JPS595656U (ja) 1982-06-30 1982-06-30

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9725082U JPS595656U (ja) 1982-06-30 1982-06-30
US06/507,095 US4502723A (en) 1982-06-30 1983-06-23 Oil hydraulic circuit for gripping device

Publications (1)

Publication Number Publication Date
JPS595656U true JPS595656U (ja) 1984-01-14

Family

ID=14187325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9725082U Pending JPS595656U (ja) 1982-06-30 1982-06-30

Country Status (2)

Country Link
US (1) US4502723A (ja)
JP (1) JPS595656U (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715631A (en) * 1985-11-29 1987-12-29 Kabushiki Kaisha Nakajima Tekkosho Lifting magnet unit with a gripping mechanism
US4783106A (en) * 1986-08-04 1988-11-08 Nutter Ralph E Method and apparatus for automatically controlling pressure in fluid-actuated systems
US5620222A (en) * 1995-02-14 1997-04-15 Hawco Manufacturing Co., Inc. Electro-hydraulic rectangular grapple for railcars
US7056078B2 (en) * 2003-09-24 2006-06-06 Cascade Corporation Hydraulically-synchronized clamp for handling stacked loads different sizes
US7614843B2 (en) * 2007-01-05 2009-11-10 Caterpillar Inc. Freely rotatable closed grapple head and machine using same
GB2522690B (en) * 2014-02-03 2016-12-14 Caterpillar Work Tools Bv Gripping device for machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185175A (en) * 1962-12-03 1965-05-25 Allis Chalmers Mfg Co Directional hydraulic control valve
US3937128A (en) * 1973-11-02 1976-02-10 Caterpillar Tractor Co. Hydraulic control circuit with remotely controlled dual pressure relief valve
US4017221A (en) * 1976-02-27 1977-04-12 Caterpillar Tractor Co. Combined unloading and relief valve for pump unloading circuit
JPS55135202A (en) * 1979-04-05 1980-10-21 Hitachi Constr Mach Co Ltd Driving circuit for hydraulically operated construction vehicle
US4452479A (en) * 1979-04-14 1984-06-05 Kabushiki Kaisha Komatsu Seisakusho Gripping device with interdigitating, articulate fingers

Also Published As

Publication number Publication date
US4502723A (en) 1985-03-05

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