The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1983
Filed:
Mar. 10, 1980
Gerhard Haar, Leinfelden, DE;
Heinz Jakob, Bietigheim-Bissingen, DE;
Helmut Landa, Brackenheim-Hausen, DE;
Erwin Mayer, Kirchheim, DE;
Hans Prohaska, Bietigheim-Bissingen, DE;
Theodor Schneider, Freudental, DE;
Karl-Friedrich Schubert, Bietigheim-Bissingen, DE;
Martin Weber, Ingersheim, DE;
ITT Industries, Inc., New York, NY (US);
Abstract
An electric drive unit particularly adapted for actuating windshield wiper assemblies includes a motor having it's armature shaft carrying aportion having two oppositely pitched worm threads. Two worm gear wheels are disposed each on opposite sides of the threaded portion and in engagement therewith. The axes of rotation of the worm wheels are in parallel. Two spur wheels are each concentrically seated on a respective worm wheel. The spur wheels each engage a wheel having its axis of rotation located in a plane defined by the axes of rotation of the worm wheels. The toothed wheel is connected to a drive shaft.