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. 20, 2001
Filed:
Nov. 15, 1999
Peter Schwärzler, Glattbach, DE;
Friedhelm John, Obertshausen, DE;
GKN Lobro GmbH, , DE;
Abstract
A constant velocity universal joint for transmitting torque, having an outer joint part with outer ball tracks, an inner joint part with inner ball tracks, torque transmitting balls guided by pairs of outer and inner ball tracks positioned in corresponding meridian planes, and a ball cage which receives the balls in circumferentially distributed windows and holds same in a common plane and guides same on to the angle-bisecting plane when the joint is ariculated, with the center lines of the outer and inner ball tracks being composed of at least two differently curved portions adjoining one another, with the center lines of the ball tracks of the outer joint part each comprising convexly curved inner portions and, towards the open end, concavely curved end portions.