Patent ID: 6708365
Filing Date: 2004-03-23
Classification: B60S,Y10T

Abstract:
A drive apparatus for a wiper system (10), said drive apparatus comprisingwiper motor (18); lever drive mechanism for a wiper (12) of the wiper system, said lever drive mechanism comprising a drive lever (36) and a four-bar wiper lever (40) pivotally connected with the drive lever (36); coupling mechanism (20) for coupling said lever drive mechanism with said wiper motor (18), said coupling mechanism (20) comprising a crank (22) connected with the wiper motor (18), a coupling rod (24) pivotally connected to said crank (22), a guide rod (26) pivotally supported at a bearing point (48) on the vehicle and connected in an articulated fashion with said coupling rod (24); and joint rod (28) pivotally connecting the drive lever (36) of the lever drive mechanism to the coupling mechanism (20), so that said lever drive mechanism is drivable by said drive motor (18) via said coupling mechanism.