V-shaped pulley clutch for racing vehicles

Details V-shaped pulley clutch for racing vehicles V-shaped pulley clutch for racing vehicles

F - Mech Eng,Light,Heat,Weapons

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F16H 9/12 (2006.01) F16H 55/56 (2006.01) F16H 61/662 (2006.01)

Patent

CA 1212559

ABSTRACT OF THE DISCLOSURE: V-shaped pulley clutch, for a racing vehicle, including a drive shaft, a pulley cheek mounted on this drive shaft for slidable movement along the shaft for engagement of the clutch, a cam ramp secured to the drive shaft in spaced relationship with the slidable pulley cheek and a centrifugal weight assembly including at least two centrifugal weights movable radially out- wardly between the cam ramp and the pulley cheek to push the cheek away from the ramp. The drive shaft is formed with a circumferential groove and the V-shaped pulley clutch further comprises a sleeve solid with the movable pulley cheek and extending over the drive shaft and a plurality of detent mechanisms on the sleeve including detent members radially pressed into the grooves with a force suitable to hold the sleeve and pulley cheek stationary with respect to the drive shaft until the latter rotates at a speed exceeding a predetermined speed capable of releasing the pulley cheek to allow its slidable movement and sudden start of the vehicle.

462301

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