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:
Nov. 02, 1993
Filed:
Jul. 30, 1991
Gunter Wrobel, Villingen, DE;
Papst-Motoren GmbH & Co. KG, Black Forest, DE;
Abstract
Axial retaining ring is provided for a free end of a rotor shaft of an electric motor having a rotor, with a first stop element on one of the shaft or the rotor and a second stop element in the form of a retaining ring which, during assembly of the motor, is fitted onto the free end of the rotor shaft and is secured by engaging in a circular recess on the shaft free end, both stop elements of the rotor acting between two stationary stop faces of the electric motor and fixing the axial position of the rotor. The retaining ring is constructed in the form of a resilient pushbutton fittable in the axial direction onto the shaft end and the retaining ring having generally axially directed resilient retaining arms that engage in the circular recess provided in the shaft end.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile