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:
Jun. 24, 2014
Filed:
Sep. 15, 2010
Toru Takenaka, Wako, JP;
Hiroshi Gomi, Wako, JP;
Shinichiro Kobashi, Wako, JP;
Taiji Koyama, Wako, JP;
Masao Sasaki, Wako, JP;
Hideharu Izumi, Wako, JP;
Kazuya Kuwabara, Wako, JP;
Toru Takenaka, Wako, JP;
Hiroshi Gomi, Wako, JP;
Shinichiro Kobashi, Wako, JP;
Taiji Koyama, Wako, JP;
Masao Sasaki, Wako, JP;
Hideharu Izumi, Wako, JP;
Kazuya Kuwabara, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A drive unit includes a main wheel having an annular member, and a plurality of driven rollers that are rotatably attached to the annular member, a plurality of first drive rollers and a plurality of second drive rollers, which are provided with the annular member between them and arranged such that they make contact with the outer peripheral faces of the driven rollers, a first holder and a second holder, which are arranged with the annular shaft between them and respectively hold the plurality of first drive rollers and the plurality of second drive rollers while allowing them to rotate, and a first drive unit and a second drive unit that rotationally drive the first holder and the second holder respectively; grooves are formed in the outer peripheral faces of the driven rollers at an angle to the circumferential direction thereof.