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US 4,398,135 AGranted
Windshield wiper electric drive unit
AssigneeITT Industries, Inc.
InventorsGerhard Busch, Heinz Jakob, Reiner Jendrzejewski, Heribert Klement, Hans Prohaska, Eckhardt Schmid, Theodor Schneider
Life of this patent
Estimating the term…
Abstract
An electric motor drive unit for windshield wipers includes an electric motor having an electrical connection plug housing and a brush holder plate. The plug housing and brush holder plate are provided as an integral unit. The unit is secured between the motor housing and the gear housing. This arrangement and assembly of the drive unit is simplified and less expensive to manufacture.
Claims4
An electric drive unit for use with windshield wipers of a motor vehicle, comprising:
- an electric motor with a brush holder plate accomodated in a cup-shaped housing, a gear housing closing a front face of the drive unit by means of an end shield, and a plug housing in which the plugs which are connected in an electrically conductive manner with the switch contacts of a limit switch and the brushes of the electric motor are secured, wherein the plug housing (58) and the brush holder plate (62) are one unitary unit, wherein the jacket (43) of the gear housng (40) has an opening (70) in which the plug housing (58) is received, wherein the end shield (44) has a rimless recess opening towards the motor housing (25) through which the plug housing and brush holder plate are mounted in the gear housing (40) and therein interconnected and means for mounting the motor housing (25) to the end shield (44) and against the plug housing (58) whereby the unitary unit is secured between the motor housing (25) and gear housing (40).
Dependencies are inferred from the claim text.