Patent ID: 7612482

Claim:
An electric motor fixedly axially secured in a housing ( 1 ), comprising: a brush plate ( 5 ) having, as monolithically formed elements thereof, a plurality of locking segments ( 7 ), wherein the locking segments ( 7 ) are axially projecting, uniformly circumferentially distributed, convexly shaped, locking segments ( 7 ) each of which is monolithically formed on the brush plate ( 5 ), with each locking segment ( 7 ) contacting the housing ( 1 ) at a respective initial contact region ( 10 a ) of each locking segment ( 7 ), and with each initial contact region ( 10 a ) having a respective first surface area; wherein each of the plurality of locking segments ( 7 ) responds to pressure on the housing ( 1 ) to form a respective pressure contact region ( 10 b ) having a second surface area larger than the first surface area.