Patent ID: 7017726
Filing Date: 2006-03-28
Classification: F16D

Abstract:
1. An electromagnetic clutch comprising: an electromagnetic coil adapted to be energized for generating an electromagnetic force; a rotor rotationally driven by a drive source; an armature adapted to be attached to said rotor by the electromagnetic force generated by said electromagnetic coil for receiving the turning effort of said rotor; a hub connected to a driven unit; spring means connected to said hub; a plate connected to said spring means; an elastic member bonded to said armature and said plate and interposed between said armature and said plate; and restriction means for restricting the movement of said armature in the radial direction thereof when said armature is disconnected with said hub, said restriction means extending axially toward said armature, said plate, said elastic member, and said armature being disposed so as to be axially stacked, wherein the movement of said armature in the radial direction is restricted by keeping a part of said plate in contact with said armature.