F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 43/16 (2006.01) F16D 43/06 (2006.01)
Patent
CA 2228088
There is provided a new and useful device for use in a centrifugal clutch assembly in which the clutch assembly comprises a shaft which carries a first sheave axially moveable on the shaft and a second sheave axially fixed on the shaft, a drive belt between the first sheave and the second sheave and a return spring operating on the first sheave. A roller is fixed relative to the first sheave and a pivot pin is fixed on and moveable with the first sheave. The device further comprises a body having an arcuate outer surface constructed so as to provide a cam surface relative to the roller. An aperture is provided in the body and is constructed so as to mate with the pivot pin to allow the device to pivot relative to the pivot pin. A hollow chamber is positioned internally within the body and moveable weighting means are positioned within the chamber. In use, the first sheave rotates at a variable speed, so as to generate a centrifugal force upon the device whereupon at a predetermined engagement speed, the device pivots from a rest position to a full engagement position thereby transferring a force to the first sheave to axially move the first sheave into engagement with the second sheave to transfer rotation from the first sheave to the second sheave.
Joss Robert
Ridout & Maybee Llp
LandOfFree
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