Terminal connections and housing for a small electric motor for windshield wiper
AssigneeITT Industries, Inc.
InventorsGerhard Haar, Heinz Jakob, Hans Prohaska, Theodor Schneider, Karl-Friedrich Schubert, Werner Wohrle
Life of this patent
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Abstract
A windshield wiper motor is disclosed in which there is a gear mechanism in a one piece plastic housing. The gear housing also houses the electrical terminals for the motor brushes and the brush springs. All these elements are placed in the one piece plastic housing.
Claims19
A small electric motor for windshield wiper installations, comprising:
- a cup-shaped motor housing;
- a gear housing having an end shield closing one front side of said motor housing;
- a cup for receiving gear elements having a pocket in the bottom of said cup;
- interference suppression means positioned in said pocket;
- a plug housing provided laterally of said end shield;
- connecting contacts extending in the longitudinal direction perpendicular to said end shield, said contacts including leads conducted within said cup to said end shield, each said lead and its corresponding connecting contact being made of sheet metal material in one piece and is arranged on a surface portion of said cup, said surface portion extending parallel to said end shield, the ends of said leads being formed as plugs having a longitudinal direction corresponding to the longitudinal direction of the connecting contacts and are inserted into said end shield;
- brushes electrically connected to said connecting contacts and accommodated in said motor housing;
- and
- said gear housing and said plug housing being integrally formed in one piece of plastic material.
An electric motor according to claim 17, comprising a second sheet metal portion on both longitudinal edges of said connecting contacts and/or the ends of said leads and said sheet metal portion and said second sheet metal portion are folded in opposite directions, so that they are positioned on the same side of a contact.
An electric motor according to claim 21, wherein said holder comprises a plastic material with an admixture of metal.
Dependencies are inferred from the claim text.