CA954827A - Boom jib control - Google Patents

Boom jib control

Info

Publication number
CA954827A
CA954827A CA152,672A CA152672A CA954827A CA 954827 A CA954827 A CA 954827A CA 152672 A CA152672 A CA 152672A CA 954827 A CA954827 A CA 954827A
Authority
CA
Canada
Prior art keywords
jib control
boom jib
boom
control
jib
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
CA152,672A
Other versions
CA152672S (en
Inventor
James M. Ewart
Original Assignee
S Madill 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
Application filed by S Madill Ltd filed Critical S Madill Ltd
Priority to CA152,672A priority Critical patent/CA954827A/en
Application granted granted Critical
Publication of CA954827A publication Critical patent/CA954827A/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
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • 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
    • E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
CA152,672A 1972-09-27 1972-09-27 Boom jib control Expired CA954827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA152,672A CA954827A (en) 1972-09-27 1972-09-27 Boom jib control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA152,672A CA954827A (en) 1972-09-27 1972-09-27 Boom jib control

Publications (1)

Publication Number Publication Date
CA954827A true CA954827A (en) 1974-09-17

Family

ID=4094545

Family Applications (1)

Application Number Title Priority Date Filing Date
CA152,672A Expired CA954827A (en) 1972-09-27 1972-09-27 Boom jib control

Country Status (1)

Country Link
CA (1) CA954827A (en)

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