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:
Dec. 03, 2013

Filed:

Aug. 20, 2009
Applicants:

Kensuke Yoshizue, Susono, JP;

Kazuya Arakawa, Fujinomiya, JP;

Inventors:

Kensuke Yoshizue, Susono, JP;

Kazuya Arakawa, Fujinomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A drive unit is provided. The drive unit forms a power transmitting path that includes a driving shaft between a wheel/tire assembly and a driving power source provided separately for each wheel/tire assembly, and transmits power via the driving shaft. The drive unit has a weak portion, which is less durable than any other portion in the power transmitting path with respect to external force applied to the wheel/tire assembly, formed on the driving shaft.


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