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JPS57140441A - Tool operation apparatus - Google Patents
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JPS57140441A - Tool operation apparatus - Google Patents

Tool operation apparatus

Info

Publication number
JPS57140441A
JPS57140441A JP672882A JP672882A JPS57140441A JP S57140441 A JPS57140441 A JP S57140441A JP 672882 A JP672882 A JP 672882A JP 672882 A JP672882 A JP 672882A JP S57140441 A JPS57140441 A JP S57140441A
Authority
JP
Japan
Prior art keywords
operation apparatus
tool operation
tool
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.)
Pending
Application number
JP672882A
Other languages
Japanese (ja)
Inventor
Daburiyuu Matsukurobi Arubaato
Teii Hoogan Patoritsuku
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.)
Warner and Swasey Co
Original Assignee
Warner and Swasey Co
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 Warner and Swasey Co filed Critical Warner and Swasey Co
Publication of JPS57140441A publication Critical patent/JPS57140441A/en
Pending 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
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/18—Counterweights

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Forklifts And Lifting Vehicles (AREA)
JP672882A 1981-01-19 1982-01-19 Tool operation apparatus Pending JPS57140441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22702181A 1981-01-19 1981-01-19

Publications (1)

Publication Number Publication Date
JPS57140441A true JPS57140441A (en) 1982-08-31

Family

ID=22851418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP672882A Pending JPS57140441A (en) 1981-01-19 1982-01-19 Tool operation apparatus

Country Status (2)

Country Link
EP (1) EP0056769A3 (en)
JP (1) JPS57140441A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110329929B (en) * 2019-08-01 2023-11-03 湖南星沙机床设备有限公司 Balancing weight and spraying method thereof
CN114877021B (en) * 2022-05-20 2022-12-09 长沙天盾重工有限责任公司 Counterweight, counterweight assembling tool, counterweight assembling method and overhead working truck

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325089A (en) * 1941-09-08 1943-07-27 Thew Shovel Co Removable counterweight for excavating and load handling machines
US3533524A (en) * 1968-10-28 1970-10-13 Bucyrus Erie Co Counterweight removal arrangement for hydraulic excavators or the like
US3795330A (en) * 1972-05-18 1974-03-05 Caterpillar Tractor Co Counterweight suspension device
US3853231A (en) * 1972-08-21 1974-12-10 Caterpillar Tractor Co Vehicle counterweight apparatus
DE2543683A1 (en) * 1975-09-30 1977-04-07 Linde Ag Ballast for forklifts or counterweights of other machines - produced from particulate waste material and resinous binder

Also Published As

Publication number Publication date
EP0056769A2 (en) 1982-07-28
EP0056769A3 (en) 1983-09-14

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