GB1252426A - - Google Patents

Info

Publication number
GB1252426A
GB1252426A GB1252426DA GB1252426A GB 1252426 A GB1252426 A GB 1252426A GB 1252426D A GB1252426D A GB 1252426DA GB 1252426 A GB1252426 A GB 1252426A
Authority
GB
United Kingdom
Prior art keywords
boom
potentiometer
crane
load
load cell
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
Other languages
English (en)
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
Publication of GB1252426A publication Critical patent/GB1252426A/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
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment
    • B66C23/905—Devices for indicating or limiting lifting moment electrical
    • 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
    • E02F9/26—Indicating devices

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)
GB1252426D 1967-11-13 1968-10-23 Expired GB1252426A (US06331856-20011218-P00035.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US682387A US3505514A (en) 1967-11-13 1967-11-13 Load warning device

Publications (1)

Publication Number Publication Date
GB1252426A true GB1252426A (US06331856-20011218-P00035.png) 1971-11-03

Family

ID=24739474

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252426D Expired GB1252426A (US06331856-20011218-P00035.png) 1967-11-13 1968-10-23

Country Status (5)

Country Link
US (1) US3505514A (US06331856-20011218-P00035.png)
BR (1) BR6803996D0 (US06331856-20011218-P00035.png)
DE (1) DE1807260A1 (US06331856-20011218-P00035.png)
FR (1) FR1605203A (US06331856-20011218-P00035.png)
GB (1) GB1252426A (US06331856-20011218-P00035.png)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618064A (en) * 1969-08-20 1971-11-02 Eaton Yale & Towne Crane computer
US3638211A (en) * 1969-10-08 1972-01-25 Litton Systems Inc Crane safety system
US3631537A (en) * 1970-01-26 1971-12-28 Harnischfeger Corp Calibration circuit for boom crane load safety device
US3671728A (en) * 1970-10-05 1972-06-20 Hughes Aircraft Co Electronic repeater servo
US3740534A (en) * 1971-05-25 1973-06-19 Litton Systems Inc Warning system for load handling equipment
JPS5413651B2 (US06331856-20011218-P00035.png) * 1971-12-29 1979-06-01
US3833932A (en) * 1972-10-12 1974-09-03 Eaton Corp Boom length operating radius indicator and warning device
US3826321A (en) * 1973-05-25 1974-07-30 Trans Sonics Inc Load weighing system for cranes with rotatable booms
US3866200A (en) * 1973-07-25 1975-02-11 Forney International Load measuring and overload warning system
US3997071A (en) * 1975-08-14 1976-12-14 Laserplane Corporation Method and apparatus for indicating effective digging depth of a backhoe
US4084247A (en) * 1976-10-26 1978-04-11 Fmc Corporation Fluid loading arm alarm system
FR2422582A1 (fr) * 1978-04-12 1979-11-09 Coignet Sa Detecteur de composition de moufflage d'un enfin de levage
US4236864A (en) * 1978-11-09 1980-12-02 Raymond Couture Safety control system for the boom of a crane
EP0029768B1 (fr) * 1979-11-12 1986-04-23 FMC EUROPE S.A. Société anonyme dite: Procédé et installation de surveillance et de commande d'un bras articulé de transfert de fluide destiné à relier un navire à une plate-forme en mer
US5209361A (en) * 1991-10-31 1993-05-11 Grubb Jr Lloyd T Multiple-cable lifting head with load weighing mechanism for aerial booms and cranes
US5461803A (en) * 1994-03-23 1995-10-31 Caterpillar Inc. System and method for determining the completion of a digging portion of an excavation work cycle
US20040200644A1 (en) * 2003-04-08 2004-10-14 Alan Paine Safe load lifting measurement device
US10410124B1 (en) * 2013-01-21 2019-09-10 Link-Belt Cranes, L.P., Lllp Display for displaying lifting capacity of a lifting machine and related methods
US20140320293A1 (en) * 2014-07-08 2014-10-30 Caterpillar Inc. Operator alert and height limitation system for load carrying machines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330060A (en) * 1941-10-28 1943-09-21 Gen Electric Safe load indicator for crane hoists
US2418576A (en) * 1944-06-24 1947-04-08 Myrtle L Conrad Signal system for cranes
DE1029547B (de) * 1954-09-13 1958-05-08 Orenstein & Koppel Ag Sicherheitsvorrichtung fuer Hebezeuge mit veraenderlicher Ausladung
US2772411A (en) * 1954-10-25 1956-11-27 Fishfader S Boom angle indicator for cranes
US2858070A (en) * 1955-11-17 1958-10-28 Scharff Leon Moment computing and indicating systems
FR1157464A (fr) * 1956-08-24 1958-05-29 Bondy Atel Contrôleur-limiteur de charge pour grue de manutention
US3079080A (en) * 1960-02-12 1963-02-26 Henry L Mason Crane warning system
US3262022A (en) * 1964-02-13 1966-07-19 Gen Micro Electronics Inc Packaged electronic device

Also Published As

Publication number Publication date
FR1605203A (fr) 1973-07-06
BR6803996D0 (pt) 1973-03-08
DE1807260A1 (de) 1969-06-12
US3505514A (en) 1970-04-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee