Mobile lifting apparatus

B - Operations – Transporting – 66 – C

Patent

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254/14

B66C 23/72 (2006.01) B66F 7/20 (2006.01) B66F 9/06 (2006.01) B66F 9/075 (2006.01)

Patent

CA 1290317

MOBILE LIFTING APPARATUS Abstract of the Disclosure A mobile lifting apparatus has a chassis with front driving wheels and steerable rear wheels. A vertical mast comprised of a pair of extendible hydrau- lic cylinders is spacedly mounted on the front of the chassis. One or more jam stay cylinders are mounted on the chassis rearwardly of the vertical mast. A pair of extendable booms are mounted on the vertical mast and jam stay cylinders. The load may be attached to the end of the booms. A hydraulic or other power supply extends and retracts the boom and drives the driving wheels. A counterweight is mounted on the rear of the chassis and the chassis may be extended to increase the capacity and stability of the lifting apparatus.

533832

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