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, 2011
Filed:
Aug. 31, 2005
Applicant:
Masashi Aikawa, Tochigi, JP;
Inventor:
Masashi Aikawa, Tochigi, JP;
Assignee:
GKN Driveline Torque Technology KK, Tochigi-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An outer plate, which is used under a lubricated environment of a differential gear oil including a friction adjuster, is made of a SC tempered material which is subjected to nitriding treatment to suppress chemical adsorption of the friction adjuster. An inner platehas paper on a surface thereof. The outer plateand the inner plateare provided to apply or release the torque between an outer differential caseand an inner differential caseof a rear differential devicehaving the outer differential caseand the inner differential casecapable of relatively rotating to the inside and the outside.