FR2228708B1 - - Google Patents

Info

Publication number
FR2228708B1
FR2228708B1 FR7416421A FR7416421A FR2228708B1 FR 2228708 B1 FR2228708 B1 FR 2228708B1 FR 7416421 A FR7416421 A FR 7416421A FR 7416421 A FR7416421 A FR 7416421A FR 2228708 B1 FR2228708 B1 FR 2228708B1
Authority
FR
France
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
FR7416421A
Other languages
French (fr)
Other versions
FR2228708A1 (en
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
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
Priority claimed from GB2250073A external-priority patent/GB1462785A/en
Priority claimed from GB2323373A external-priority patent/GB1463811A/en
Application filed by Pye Ltd filed Critical Pye Ltd
Publication of FR2228708A1 publication Critical patent/FR2228708A1/fr
Application granted granted Critical
Publication of FR2228708B1 publication Critical patent/FR2228708B1/fr
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
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/50—Applications of limit circuits or of limit-switch arrangements
    • 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
FR7416421A 1973-05-11 1974-05-13 Expired FR2228708B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2250073A GB1462785A (en) 1973-05-11 1973-05-11 Crane load indicating arrangement
GB2323373A GB1463811A (en) 1973-05-16 1973-05-16 Crane load indicating arrangement

Publications (2)

Publication Number Publication Date
FR2228708A1 FR2228708A1 (en) 1974-12-06
FR2228708B1 true FR2228708B1 (en) 1977-10-21

Family

ID=26255949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416421A Expired FR2228708B1 (en) 1973-05-11 1974-05-13

Country Status (5)

Country Link
JP (1) JPS5749476B2 (en)
CA (1) CA1029467A (en)
DE (1) DE2422391C2 (en)
FR (1) FR2228708B1 (en)
SE (1) SE399547B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52135153A (en) * 1976-03-18 1977-11-11 Kurushima Dockyard Derrick boom
GB1588315A (en) * 1977-03-31 1981-04-23 Davy Loewy Ltd Manipulator
JPS53147355A (en) * 1977-05-25 1978-12-22 Kubota Ltd Automatic transportation device
JPS5617893A (en) * 1979-07-20 1981-02-20 Tadano Tekkosho Kk Overlaod prevention device for jib work
JPS572388Y2 (en) * 1980-09-30 1982-01-14
JPS6286394U (en) * 1985-11-19 1987-06-02

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995091A (en) * 1961-11-02 1965-06-16 Licentia Gmbh Improved electric means for detecting the load moment of cranes
DE1810639C3 (en) * 1968-11-23 1974-11-28 Pietzsch, Ludwig, Dr.-Ing., 7500 Karlsruhe Overload protection for telescopic cranes
US3638211A (en) * 1969-10-08 1972-01-25 Litton Systems Inc Crane safety system
FI45219C (en) * 1969-12-09 1972-04-10 Lokomo Oy Device for monitoring the load on a crane or similar with a length-adjustable and liftable lifting boom.
DE2032968A1 (en) * 1970-07-03 1972-01-13 Krupp Gmbh Device for load torque limitation

Also Published As

Publication number Publication date
JPS5749476B2 (en) 1982-10-22
DE2422391C2 (en) 1983-09-08
CA1029467A (en) 1978-04-11
JPS5027260A (en) 1975-03-20
FR2228708A1 (en) 1974-12-06
SE399547B (en) 1978-02-20
DE2422391A1 (en) 1974-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse