Primary shaft for a windscreen wiper
AssigneeRobert Bosch GmbH
InventorsWilfried Merkel, Roger Daenen
Life of this patent
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Abstract
A windshield wiper includes a drive shaft (10), to which shaft a crank (12) is fastened. A base body (14) of the drive shaft (10) is made from an extruded light metal profile and on its free end, in the region of a fastening part, carries a connection part (16, 22) of a harder material, which has a screw thread (18).
Claims11
A drive shaft (10) for a windshield wiper, comprising a crank (12) fastened to the drive shaft and wherein the drive shaft has a cylindrical screw thread on a free end in a region of a fastening part, wherein the drive shaft includes a base body (14) made from an extruded light metal profile and a connection part (16, 22) made from a harder material, wherein said connection part is fixedly connected with the free end of the base body and includes said screw thread.
Dependencies are inferred from the claim text.