Load limiting apparatus for hoists

Details Load limiting apparatus for hoists Load limiting apparatus for hoists

B - Operations, Transporting

66

D

254/96

B66D 3/16 (2006.01) B66D 1/58 (2006.01) F16D 7/02 (2006.01)

Patent

CA 1199625

IMPROVED LOAD LIMITING APPARATUS FOR HOISTS Abstract of the Disclosure The improved load limiting apparatus includes a chainwheel that is mounted on the hoist drive shaft and adapted to receive the drive chain. The chainwheel includes a hub connected to the drive shaft, an annular clamping mem- ber located in juxtaposition to the hub and adjustably at- tached thereto, and an annular chainwheel rim located in encircling relationship to the hub and clamping member and having a bifurcated flange in frictional engagement with the hub and clamping member, whereby the rim can move relative to the hub and clamping member after a pre-determined torque load is imposed on the rim by the drivechain.

427385

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