Patent ID: 6666308
Filing Date: 2003-12-23
Classification: F16D,F16H,H02K

Abstract:
An actuator, comprising a housing, a motor, an actuating member and a screw mechanism providing a linear movement of the actuating member with respect to the housing in response to a rotational movement of the motor, which screw mechanism comprises a screw and a nut one of which is rotatably supported with respect to the housing by means of a contact ball bearing, and a reduction gear means, characterised in that the actuating member and the reduction gear means are situated at opposite ends of the screw mechanism, said reduction gear means being contained in a reduction gear module, comprising at least part of a gear system having a stationary outer ring gear with inwardly pointing gear teeth and the screw mechanism being contained in a screw mechanism module, comprising a four-point angular contact ball bearing.