Boom extension for crane

Details Boom extension for crane Boom extension for crane

B - Operations, Transporting

66

C

212/40

B66C 23/00 (2006.01) B66C 23/70 (2006.01)

Patent

CA 1179982

BOOM EXTENSION FOR CRANE Abstract of the Disclosure A lattice type boom extension for a crane boom comprises a pair of laterally spaced apart elongated tubular top chord members which are of lesser diameter, wall thick- ness and weight than similar bottom chord members so as to reduce weight and cost of the boom extension without reducing strength and load-handling ability.

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