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. 08, 2005

Filed:

Apr. 16, 2003
Applicant:

Takenori Hashimoto, Tokyo, JP;

Inventor:

Takenori Hashimoto, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K007/10 ;
U.S. Cl.
CPC ...
Abstract

A driving apparatus has a differential gear unit and an electric motor and drives drive wheels of a vehicle. The differential gear unit includes a differential case provided with a final driven gear, and two axle shafts respectively coupled to the drive wheels. A hollow rotor shaft is coaxially disposed outside one of the axle shafts, and a rotor of the electric motor is fixed to this rotor shaft. A reduction shaft is disposed in parallel to the axle shaft, and this reduction shaft is provided with a driven gear, which is engaged with a drive gear provided on the rotor shaft, and a final drive gear engaged with the final driven gear.


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