Disengaging apparatus

Details Disengaging apparatus Disengaging apparatus

B - Operations, Transporting

66

C

294/43

B66C 1/34 (2006.01) B63B 23/58 (2006.01) B63C 9/22 (2006.01) B66C 1/38 (2006.01)

Patent

CA 1150335

DISENGAGING APPARATUS Abstract Disengaging apparatus including a hook pivotally located below its hooking point between a pair of plates, and having a counterbalanced cam locking structure wherein the force applied to the hook by the weight of the item being held causes positive engagement with a cam surface, but when the force applied to the surface falls below a predetermined level a counterweight rotates the cam structure away from the hook and allows rotation of the hook to open. The counterweight is further used to positively pull the hook to the open position after a given amount of travel. Additionally a locking structure may be provided to prevent accidental motion of the counterweight, and a spring-biased reset may also be provided.

356637

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