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.:

US 12736119 B1

Date of Patent:

Sep. 15, 2026

Filed:

Nov. 25, 2024

Differential device

Applicant:

Gkn Automotive Limited, Birmingham, GB;

Inventors:

Yuu Yaguchi, Tochigi, JP;

Mitsuaki Kakuta, Tochigi, JP;

Assignee:

GKN Automotive Limited, Birmingham, GB;

Attorney:

Reising Ethington P.C.

Primary Examiner:

Tinh T Dang

Int. Cl.

CPC ...

F16H 48/22 (2006.01); F16D 23/12 (2006.01); F16H 48/08 (2006.01); F16H 48/26 (2006.01); F16H 48/14 (2006.01);

U.S. Cl.

CPC ...

F16H 48/22 (2013.01); F16H 48/08 (2013.01); F16H 48/26 (2013.01); F16D 2023/123 (2013.01); F16H 48/147 (2013.01);

Abstract

A differential device is provided with a casing including a first wall, a second wall and a peripheral wall and defining a chamber; a differential gear set housed in the chamber and including a first side gear, a second side gear and pinion gears respectively rotatably supported by pinion shafts; a friction clutch disposed between the first side gear and the first wall to brake the first side gear against the first wall; a cam mechanism disposed outside the casing, contiguous to the second wall and configured to convert a rotational force into a thrust force in a direction of an axis; and a transmission member including plungers elongated in parallel with the axis through intervals between the pinion gears or between the pinion shafts and capable of transmitting the thrust force.

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