Rotary load lifting hook device

Details Rotary load lifting hook device Rotary load lifting hook device

B - Operations, Transporting

66

C

294/40

B66C 1/34 (2006.01)

Patent

CA 2032504

A rotary load lifting hook device wherein a remotely operable rotational driving device (11) is provided on a hook block (20) on which a load lifting hook (1) is positioned vertically for rotation. The rotational driving device (11) and the hook block (20) are connected to each other by means of chain wheels (12, 13) provided respectively thereon and an endless chain (14) is held in meshing engagement with the chain wheels (12, 13) so that the hook block (20) may be driven to rotate by remote operation. Rocking motion, oscillations and so forth which take place with the load lifting hook (1) when a load is lifted can be absorbed by the endless chain (14) in order that the load lifting hook (1) can be rotated with safety and with certainty without causing overstrain of the rotational driving device (11) and the load lifting hook (1).

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