Retaining keeper assembly for a hoisting device

Details Retaining keeper assembly for a hoisting device Retaining keeper assembly for a hoisting device

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 7/00 (2006.01) B66D 1/34 (2006.01) B66D 3/04 (2006.01) F16B 21/16 (2006.01)

Patent

CA 2530155

A retaining keeper assembly for a hoisting device. A shank has a plurality of circumferential grooves perpendicular to an axis of the shank. A thrust bearing surrounds the shank and is supported by the hoisting device. A split retaining collar having a plurality of interior circular protrusions mates with the circumferential grooves in the shank to prevent axial movement of the shank. A cylindrical retaining keeper ring having an open top and an open bottom encloses the assembled retaining collar, the keeper ring having an inner diameter slightly larger than an outer diameter of the retaining collar. A pair of retaining rings surround the split retaining collar above and below the keeper ring to trap the keeper ring in place.

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