CA1029467A - Crane load indicating arrangement - Google Patents

Crane load indicating arrangement

Info

Publication number
CA1029467A
CA1029467A CA199,222A CA199222A CA1029467A CA 1029467 A CA1029467 A CA 1029467A CA 199222 A CA199222 A CA 199222A CA 1029467 A CA1029467 A CA 1029467A
Authority
CA
Canada
Prior art keywords
load indicating
crane load
indicating arrangement
crane
arrangement
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
CA199,222A
Other languages
English (en)
French (fr)
Other versions
CA199222S (en
Inventor
Bernard D.F. Hutchings
Robert W. Hubbard
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
Application granted granted Critical
Publication of CA1029467A publication Critical patent/CA1029467A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)
CA199,222A 1973-05-11 1974-05-08 Crane load indicating arrangement Expired CA1029467A (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 (1)

Publication Number Publication Date
CA1029467A true CA1029467A (en) 1978-04-11

Family

ID=26255949

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,222A Expired CA1029467A (en) 1973-05-11 1974-05-08 Crane load indicating arrangement

Country Status (5)

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

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 (cs) * 1980-09-30 1982-01-14
JPS6286394U (cs) * 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 (de) * 1968-11-23 1974-11-28 Pietzsch, Ludwig, Dr.-Ing., 7500 Karlsruhe Überlastsicherung für Teleskopkrane
US3638211A (en) * 1969-10-08 1972-01-25 Litton Systems Inc Crane safety system
FI45219C (fi) * 1969-12-09 1972-04-10 Lokomo Oy Laite kuorman valvomiseksi nosturissa tai sentapaisessa, jossa on pitu udeltaan säädettävä ja kohotettava nostopuomi.
DE2032968A1 (de) * 1970-07-03 1972-01-13 Krupp Gmbh Einrichtung zur Lastmomentbegrenzung

Also Published As

Publication number Publication date
DE2422391C2 (de) 1983-09-08
JPS5027260A (cs) 1975-03-20
DE2422391A1 (de) 1974-11-28
FR2228708B1 (cs) 1977-10-21
FR2228708A1 (cs) 1974-12-06
SE399547B (sv) 1978-02-20
JPS5749476B2 (cs) 1982-10-22

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