Patent ID: 6298967
Filing Date: 2001-10-09
Classification: F16D

Abstract:
An electromagnetic clutch comprising:a rotor;an electromagnetic coil disposed in said rotor;an armature selectively coupled to said rotor when said electromagnetic coil is energized;a fixed member;a slip-ring rotating with said rotor;a slip-ring supporter fixed to one of said rotor and said fixed member, and supporting said slip-ring;a brush supplying electric current to said slip-ring;a brush supporter fixed to the opposite one of said rotor and said fixed member than said slip-ring supporter, and supporting said brush, said brush supporter including a substantially cylindrical sleeve inside said brush, which extends axially outwardly farther than a slide surface between said slip-ring and said brush,wherein said sleeve includes an edge at an axial end thereof, said edge being formed into a cross-sectional acute angle shape.