Motion compensating device for a hoist

Details Motion compensating device for a hoist Motion compensating device for a hoist

B - Operations, Transporting

66

C

254/91

B66C 13/04 (2006.01) B66D 1/52 (2006.01)

Patent

CA 1051414

A B R I D G M E N T Control of vertical motion of a suspended crane hook assembly to accommodate vertical motion between a station carrying the crane and a station carrying a load is achieved by a transducer on the hook assembly and a control cord depending onto the load station. Tension above a set value in the cord produced by a crew member on the station causes the hook assembly to descent and below the set value causes it to rise. Movement of the stations causes a continuous adjustment of tension and the hook assembly follows the motion, extra tension being applied to guide the hook assembly down to the load and vice versa.

272662

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