AU7158774A - Crane boom angle indication and warning system - Google Patents

Crane boom angle indication and warning system

Info

Publication number
AU7158774A
AU7158774A AU71587/74A AU7158774A AU7158774A AU 7158774 A AU7158774 A AU 7158774A AU 71587/74 A AU71587/74 A AU 71587/74A AU 7158774 A AU7158774 A AU 7158774A AU 7158774 A AU7158774 A AU 7158774A
Authority
AU
Australia
Prior art keywords
warning system
crane boom
boom angle
angle indication
indication
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
AU71587/74A
Other versions
AU485587B2 (en
Inventor
Paredes And Robert Horn Candelario
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.)
Forney International Inc
Original Assignee
Forney International Inc
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 US382402A external-priority patent/US3866200A/en
Priority claimed from US382403A external-priority patent/US3893093A/en
Application filed by Forney International Inc filed Critical Forney International Inc
Application granted granted Critical
Publication of AU7158774A publication Critical patent/AU7158774A/en
Publication of AU485587B2 publication Critical patent/AU485587B2/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)
  • Forklifts And Lifting Vehicles (AREA)
AU71587/74A 1974-07-24 Crane boom angle indication and warning system Expired AU485587B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US382402A US3866200A (en) 1973-07-25 1973-07-25 Load measuring and overload warning system
US382403A US3893093A (en) 1973-07-25 1973-07-25 Crane boom angle indication and warning system

Publications (2)

Publication Number Publication Date
AU7158774A true AU7158774A (en) 1976-01-29
AU485587B2 AU485587B2 (en) 1976-01-29

Family

ID=

Also Published As

Publication number Publication date
FR2245565A1 (en) 1975-04-25
DE2435686A1 (en) 1975-02-13
JPS532791B2 (en) 1978-01-31
GB1479031A (en) 1977-07-06
JPS5050966A (en) 1975-05-07
NL7409990A (en) 1975-01-28
BR7406147D0 (en) 1975-04-22
IT1018262B (en) 1977-09-30
FR2245565B1 (en) 1978-08-11
ES428618A1 (en) 1977-01-01

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