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:
Sep. 28, 2004
Filed:
Dec. 12, 2002
Kazuhiko Satou, Mito, JP;
Toshimichi Minowa, Mito, JP;
Satoru Kuragaki, Hitachi, JP;
Tokuji Yoshikawa, Hitachi, JP;
Tatsuya Ochi, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An automobile which is designed to be able to drive wheel tires by making use of a double series differential gear device provided with both a first series gear constituted by a first ring gear A and a first drive gear A and a second series gear constituted by a second ring gear B and a second drive gear B, thereby, a back-up for an abnormal situation can be prepared and a high reliability is maintained, accordingly, with the use of highly reliable differential gear mechanism, an automobile in which a stable braking force is always obtained without being affected by its environmental conditions is provided.