CA939780A - Boom load indicating system - Google Patents

Boom load indicating system

Info

Publication number
CA939780A
CA939780A CA073,786A CA73786A CA939780A CA 939780 A CA939780 A CA 939780A CA 73786 A CA73786 A CA 73786A CA 939780 A CA939780 A CA 939780A
Authority
CA
Canada
Prior art keywords
indicating system
load indicating
boom load
boom
load
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
CA073,786A
Other languages
English (en)
Inventor
Robert F. Griffin
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
Priority to CA140710A priority Critical patent/CA923594A/en
Application granted granted Critical
Publication of CA939780A publication Critical patent/CA939780A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
CA073,786A 1969-02-14 1970-02-03 Boom load indicating system Expired CA939780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA140710A CA923594A (en) 1969-02-14 1972-04-27 Boom load indicating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79937969A 1969-02-14 1969-02-14

Publications (1)

Publication Number Publication Date
CA939780A true CA939780A (en) 1974-01-08

Family

ID=25175755

Family Applications (1)

Application Number Title Priority Date Filing Date
CA073,786A Expired CA939780A (en) 1969-02-14 1970-02-03 Boom load indicating system

Country Status (5)

Country Link
US (1) US3586841A (enrdf_load_stackoverflow)
CA (1) CA939780A (enrdf_load_stackoverflow)
DE (1) DE2006722A1 (enrdf_load_stackoverflow)
FR (1) FR2033339B1 (enrdf_load_stackoverflow)
GB (3) GB1295343A (enrdf_load_stackoverflow)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057792A (en) * 1970-01-21 1977-11-08 Ludwig Pietzsch Overload safety device for telescopic cranes
GB1462785A (en) * 1973-05-11 1977-01-26 Pye Ltd Crane load indicating arrangement
GB1500501A (en) * 1974-04-10 1978-02-08 Pye Ltd Crane load indicating arrangement
FR2342484A1 (fr) * 1976-02-24 1977-09-23 Piassou Renee Dispositif pour la mesure de la longueur de fleche ou analogue d'un engin de levage
GB1523967A (en) * 1976-05-14 1978-09-06 Pye Electronic Prod Ltd Load indicating arrangement
US4084247A (en) * 1976-10-26 1978-04-11 Fmc Corporation Fluid loading arm alarm system
DE2659755B2 (de) * 1976-12-31 1978-10-12 Krueger & Co Kg, 4300 Essen Vorrichtung zum Abgeben eines Sollwertsignals für eine Überwachungseinrichtung eines Auslegerkranes o.dgl
US4276711A (en) * 1977-06-14 1981-07-07 Mathauser William R Fishing rod with strike signalling apparatus
US4219121A (en) * 1978-02-21 1980-08-26 Burro-Badger Corporation Safety system for use in association with material handling equipment
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
USRE32366E (en) * 1980-06-30 1987-03-03 Jlg Industries, Inc. Boom limit safety control circuit
US4395706A (en) * 1980-06-30 1983-07-26 Jlg Industries, Inc. Boom limit safety control circuit
US4736633A (en) * 1986-03-25 1988-04-12 Fmc Corporation Multipurpose lifting and pulling vehicle
US4833615A (en) * 1986-10-15 1989-05-23 A.G.A. Credit System for the protection of an aerial device having a pivotable boom
DE10349234A1 (de) * 2003-10-20 2005-05-19 Putzmeister Ag Mobiles Arbeitsgerät mit Stützauslegern
US20130079974A1 (en) * 2011-09-23 2013-03-28 Manitowoc Crane Companies, Llc Outrigger monitoring system and methods
JP5889688B2 (ja) * 2012-03-26 2016-03-22 株式会社タダノ 作業機械
US9327946B2 (en) * 2012-07-16 2016-05-03 Altec Industries, Inc. Hydraulic side load braking system
CN104692250B (zh) * 2015-02-05 2016-11-02 三一汽车起重机械有限公司 起重机及其力矩测量系统与方法
CN113184703A (zh) * 2021-04-27 2021-07-30 中国特种设备检测研究院 一种起重机金属结构状态监测系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858070A (en) * 1955-11-17 1958-10-28 Scharff Leon Moment computing and indicating systems
FR1357347A (fr) * 1963-05-17 1964-04-03 Cole E K Ltd Dispositif de sécurité, par exemple, pour une grue comportant un organe devant basculer dans un plan vertical
US3199685A (en) * 1964-03-02 1965-08-10 Greater Iowa Corp Overload safety device for material handling mechanism

Also Published As

Publication number Publication date
FR2033339B1 (enrdf_load_stackoverflow) 1973-10-19
DE2006722A1 (de) 1970-09-03
US3586841A (en) 1971-06-22
GB1295343A (enrdf_load_stackoverflow) 1972-11-08
GB1295342A (enrdf_load_stackoverflow) 1972-11-08
FR2033339A1 (enrdf_load_stackoverflow) 1970-12-04
GB1295341A (enrdf_load_stackoverflow) 1972-11-08

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