Friction clutch assembly

Details Friction clutch assembly Friction clutch assembly

2007-04-17

2007-04-17

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Axially engaging

C192S070190

Reexamination Certificate

active

11287597

ABSTRACT:
A friction clutch assembly comprises a cover mounted on a flywheel of a driving shaft. A pressure plate has a contact surface for receiving a driving force from the driving shaft that is axially moveable between an engaged position and a disengaged position. A spring supported by the cover urges the pressure plate into the engaged position. Compression of the spring releases pressure on the pressure plate to permit movement of the pressure plate to the disengaged position. At least one spacer attached to the cover and flywheel has an external surface that engages the pressure plate upon rotation of the flywheel. The external surface of the spacer conforms to the contact surface of the pressure plate so that torque is transmitted between the flywheel and the pressure plate over at least a line of engagement of the spacer external surface and the pressure plate contact surface upon rotation of the flywheel. The cover may have a continuous curved surface with a varying radius of curvature over a length of the curve to resist deflection and prevent premature failure of the cover.

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