Lifting apparatus

B - Operations – Transporting – 66 – B

Patent

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214/113

B66B 11/02 (2006.01) B66F 7/20 (2006.01) B66F 11/04 (2006.01)

Patent

CA 2034614

A lifting apparatus having at least one set of paired stretchable boom assemblies which extend and contract, preferably in five stages. The boom assem- blies are disposed between a chassis and a platform for raising and lowering the platform in interlocking relation with an operating mechanism, a guiding mechanism and a synchronizing mechanism. The lifting apparatus further includes a kick mechanism for auxiliarily supporting the load of the platform at a position where the platform is lowered about halfway. The kick mechanism has one end fixed to the chassis and the other end provided with a kick body capable of supporting the centers of the boom assemblies and provided with a detecting means for detecting contact between the boom assemblies and the kick mechanism.

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