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:
Dec. 02, 2014
Filed:
Oct. 18, 2012
Hiroaki Murakami, Kanagawa, JP;
Toshiyuki Uchida, Kanagawa, JP;
Kazuhiro Kobayashi, Kanagawa, JP;
Akihiko Tosaka, Kanagawa, JP;
Hiroaki Murakami, Kanagawa, JP;
Toshiyuki Uchida, Kanagawa, JP;
Kazuhiro Kobayashi, Kanagawa, JP;
Akihiko Tosaka, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A drive unit for rotating a first rotary member and a second rotary member disposed around the first rotary member includes a drive source, an output gear driven by the drive source, a first gear greater in diameter than the output gear and configured to engage the output gear, a first joint member projecting from the first gear coaxially and coupled to the first rotary member, a second gear smaller in diameter than the first gear and connected between the first gear and the first joint member, a driven gear smaller in diameter than the first gear and disposed within an area of the first gear in a radial direction thereof to engage the second gear to be driven thereby, and a second joint member projecting from the driven gear coaxially and connected to the second rotary member.