Pendant supported hydraulic extensible boom

Details Pendant supported hydraulic extensible boom Pendant supported hydraulic extensible boom

B - Operations, Transporting

66

C

212/28.5

B66C 23/04 (2006.01) B66C 23/70 (2006.01) B66C 23/82 (2006.01)

Patent

CA 1163239

ABSTRACT OF THE DISCLOSURE A crane with a telescopic extensible boom is disclosed. Two cylinders within the boom are each con- nected between adjacent sections for relative movement between the sections. Pendants are trained over sheaves on a live mast, and one end of the pendants is held by a stop on the mast. The other end of the pendants is re- ceived in the boom over sheaves mounted in fixed relation to the respective crane sections. The opposite end of the pendants is connected to the base section of the boom.

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