DRIVE UNIT, IN PARTICULAR FOR VEHICLE WINDSCREEN WIPERS

摘要

PCT No. PCT/EP91/01715 Sec. 371 Date May 12, 1992 Sec. 102(e) Date May 12, 1992 PCT Filed Sep. 10, 1991 PCT Pub. No. WO92/04563 PCT Pub. Date Mar. 19, 1992.A drive device for wipers of motor vehicles includes a shaft extending a front face of a bearing housing and with a cylindrical slide bearing which is inserted into the bearing housing at little distance from the front face of said bearing housing, and with a ring groove limited by the slide bearing, the bearing housing and the shaft. A bush firmly fixed to the bearing housing and made of elastic material closes the ring groove in front of the slide bearing and at its end turned off from the bearing housing comprises a sealing flange radially projecting towards the inside, which sealing flange engages into a ring groove of the shaft.