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:
May. 05, 2009
Filed:
Sep. 12, 2005
Applicants:
Christophe Bahr, Vendome, FR;
Arnaud Janvier, Saint Hilaire la Gravelle, FR;
Inventors:
Christophe Bahr, Vendome, FR;
Arnaud Janvier, Saint Hilaire la Gravelle, FR;
Assignee:
ZF Systemes de Direction Nacam, S.A.S., Vendome, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Device for coupling an inner shaft and an outer shaft that slide in the direction of a common axis with balls disposed between the two shafts. The balls are disposed in axial grooves of the inner shaft and in axial grooves of the outer shaft. Each row of balls is held by a double spring member that bears on the groove and which pushes on two rolling tracks for the balls, which come into contact with the groove. The two rolling tracks are articulated at the junction of the groove and the inner shaft.