IT962234B - Perfezionamento nelle gru - Google Patents

Perfezionamento nelle gru

Info

Publication number
IT962234B
IT962234B IT52370/72A IT5237072A IT962234B IT 962234 B IT962234 B IT 962234B IT 52370/72 A IT52370/72 A IT 52370/72A IT 5237072 A IT5237072 A IT 5237072A IT 962234 B IT962234 B IT 962234B
Authority
IT
Italy
Prior art keywords
cranes
improvement
Prior art date
Application number
IT52370/72A
Other languages
English (en)
Original Assignee
Welch Forrest D
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 Welch Forrest D filed Critical Welch Forrest D
Application granted granted Critical
Publication of IT962234B publication Critical patent/IT962234B/it

Links

Classifications

    • 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
    • B66F9/075—Constructional features or details
    • B66F9/08—Masts; Guides; Chains
    • B66F9/082—Masts; Guides; Chains inclinable
    • 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
    • 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
    • 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
    • B66F9/075—Constructional features or details
    • B66F9/08—Masts; Guides; Chains
    • 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
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)
IT52370/72A 1971-08-26 1972-08-25 Perfezionamento nelle gru IT962234B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17517071A 1971-08-26 1971-08-26
US251926A US3907142A (en) 1971-08-26 1972-05-10 Lifting attachment for a crane

Publications (1)

Publication Number Publication Date
IT962234B true IT962234B (it) 1973-12-20

Family

ID=26870953

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52370/72A IT962234B (it) 1971-08-26 1972-08-25 Perfezionamento nelle gru

Country Status (7)

Country Link
US (1) US3907142A (it)
JP (1) JPS529009B2 (it)
CA (1) CA964311A (it)
DE (1) DE2242001C3 (it)
FR (1) FR2150545B1 (it)
GB (1) GB1402307A (it)
IT (1) IT962234B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349533A1 (fr) * 1976-04-28 1977-11-25 Harnischfeger Gmbh Grue hydraulique montee sur vehicule
CH600101A5 (it) * 1976-05-05 1978-06-15 Frey Wigger Paul
JPS5369359A (en) * 1976-11-30 1978-06-20 Toyo Umpanki Co Ltd Device for inserting forks for crane
US4403904A (en) * 1977-04-15 1983-09-13 Towmotor Corporation Lift truck guide assembly
SE8101387L (sv) * 1980-03-27 1981-09-28 Frey Wigger Paul For multiendamal avsedd apparat
US4561552A (en) * 1981-10-13 1985-12-31 Kidde, Inc. Attachment jib for cranes
US4657109A (en) * 1981-10-13 1987-04-14 Kidde, Inc. Attachment jib for cranes
US4493426A (en) * 1981-10-13 1985-01-15 Kidde, Inc. Attachment jib for cranes
FR2545468A1 (fr) * 1983-05-03 1984-11-09 Koehring Co Dispositif de montage de fourche sur un chariot elevateur a fourche et procede de dechargement employant un chariot elevateur a fourche comportant un tel dispositif
US4632630A (en) * 1983-05-03 1986-12-30 Koehring Company Forklift attachment
JPS607651U (ja) * 1983-06-28 1985-01-19 三菱電機株式会社 立形電機の固定子
US5049027A (en) * 1990-02-21 1991-09-17 Komatsu Dresser Company Hydro-electric tool lock
US5836734A (en) * 1997-10-17 1998-11-17 Deere & Company Latching device with detent
US6332748B1 (en) 1999-11-09 2001-12-25 Deere & Company Rotating pawl tool latch
CN102849632B (zh) * 2011-06-29 2016-03-30 三一汽车起重机械有限公司 一种起重机副臂自动收、放装置及起重机
CN102602823B (zh) * 2012-03-31 2014-11-05 常州市瑞泰工程机械有限公司 工程机械的调平机构
US10329130B2 (en) * 2013-11-05 2019-06-25 Hyster-Yale Group, Inc. Lift chain tension relieving devices and methods
CN112194024B (zh) * 2020-10-30 2022-09-09 江西中天智能装备股份有限公司 一种挂靴与标准节连接用限位装置
CN113622713B (zh) * 2021-08-20 2022-09-30 宁夏建设投资集团钢结构有限公司 一种拼接式钢结构桁架

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070244A (en) * 1958-10-13 1962-12-25 Le Grand H Lull Loader
US2941685A (en) * 1959-09-04 1960-06-21 Robert F Mccune Fork lift attachment for a crane
US3163008A (en) * 1963-04-09 1964-12-29 Elmer K Hansen Hydraulic drive system
US3270899A (en) * 1964-04-17 1966-09-06 Baldwin Lima Hamilton Corp Load handling vehicle
US3319816A (en) * 1965-03-15 1967-05-16 Clark Equipment Co Tilt and hoist control mechanism for a lift truck
US3410433A (en) * 1966-12-23 1968-11-12 Pettibone Mulliken Corp Servo self-leveling mechanism

Also Published As

Publication number Publication date
US3907142A (en) 1975-09-23
DE2242001C3 (de) 1979-09-13
JPS4831656A (it) 1973-04-25
CA964311A (en) 1975-03-11
FR2150545A1 (it) 1973-04-06
JPS529009B2 (it) 1977-03-12
FR2150545B1 (it) 1977-12-23
GB1402307A (en) 1975-08-06
DE2242001B2 (de) 1979-01-18
DE2242001A1 (de) 1973-03-01

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