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.

Date of Patent:
Mar. 01, 2016

Filed:

Jul. 31, 2013
Applicant:

The Hilliard Corporation, Elmira, NY (US);

Inventors:

Howard J. Knickerbocker, Elmira, NY (US);

David Ochab, Horseheads, NY (US);

J. Brendan Brewer, Elmira, NY (US);

James E. Palmer, Elmira Heights, NY (US);

Assignee:

The Hilliard Corporation, Elmira, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 23/08 (2006.01); B60K 17/02 (2006.01); B60K 17/26 (2006.01); B60K 17/344 (2006.01); F16H 48/16 (2006.01);
U.S. Cl.
CPC ...
B60K 23/08 (2013.01); B60K 17/02 (2013.01); B60K 17/26 (2013.01); B60K 17/344 (2013.01); F16H 48/16 (2013.01);
Abstract

A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1:1 gear ratio.


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