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:
Mar. 07, 1989
Filed:
Apr. 20, 1988
Robert C Farrell, Frankenmuth, MI (US);
David J McGregor, Saginaw, MI (US);
General Motors Corporation, Detroit, MI (US);
Abstract
A telescopic tripot universal joint comprises an outer drive member having three radial drive channels which include two flat longitudinal drive tracks, an inner drive member having three radial trunnions having cylindrical bearing surfaces, and three intermediate drive rollers disposed in the respective radial drive channels and rotatably and slideably mounted on the respective radial trunnions. Each intermediate drive roller has a radial bore which is convexly shaped so as to permit a slight universally pivoting or wobbling movement of the intermediate drive roller on the radial trunnions and the radial trunnions have stops for limiting outward movement of the drive rollers during operation of the telescopic tripot universal joint. A full complement of cylindrical needle rollers is disposed between the convexly shaped radial bore of each intermediate drive roller and the cylindrical bearing surface of the respective trunnion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile