CA818158A - Device for extending and folding back masts or towers applicable to cranes and the like - Google Patents

Device for extending and folding back masts or towers applicable to cranes and the like

Info

Publication number
CA818158A
CA818158A CA818158A CA818158DA CA818158A CA 818158 A CA818158 A CA 818158A CA 818158 A CA818158 A CA 818158A CA 818158D A CA818158D A CA 818158DA CA 818158 A CA818158 A CA 818158A
Authority
CA
Canada
Prior art keywords
cranes
towers
applicable
extending
folding back
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
CA818158A
Inventor
Durand Pierre
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.)
Richier SA
Original Assignee
Richier SA
Publication date
Application granted granted Critical
Publication of CA818158A publication Critical patent/CA818158A/en
Expired legal-status Critical Current

Links

CA818158A Device for extending and folding back masts or towers applicable to cranes and the like Expired CA818158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA818158T

Publications (1)

Publication Number Publication Date
CA818158A true CA818158A (en) 1969-07-22

Family

ID=36290698

Family Applications (1)

Application Number Title Priority Date Filing Date
CA818158A Expired CA818158A (en) Device for extending and folding back masts or towers applicable to cranes and the like

Country Status (1)

Country Link
CA (1) CA818158A (en)

Similar Documents

Publication Publication Date Title
CA981629A (en) Telescopic masts or towers
CA944344A (en) Power module for winches and the like
CA922671A (en) Tower cranes
CA818158A (en) Device for extending and folding back masts or towers applicable to cranes and the like
AU2242370A (en) Improvements in cranes
IL33549A (en) Structural component and structures comprising the same
CA1018938A (en) Yarding crane
CA782417A (en) Tower crane
CA842040A (en) Tower crane
CA669705A (en) Cranes and the like
AU2582067A (en) Improvements in or relating to booms and the like
CA801550A (en) Tower crane truck
CA778636A (en) Climbing cranes
CA827363A (en) Composite extensible mast
AU417912B2 (en) Improvements in or relating to cranes, grabs and the like
CA829447A (en) Driving means for cranes and the like
CA937177A (en) Boom structure for utility trucks and the like
CA951712A (en) Power module for winches and the like
CA822522A (en) Extensible jib, mast or the like
CA758883A (en) Tower crane
AU438674B2 (en) Improvements in or relating to steerable aerial installations
CA790429A (en) Portable cranes
CA734264A (en) Tower cranes
CA794192A (en) Crane girder
CA841260A (en) Telescopic mast