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:
Feb. 14, 2012
Filed:
Apr. 17, 2008
Applicants:
Kazuki Suzuki, Kanagawa, JP;
Yasuhiro Maehata, Kanagawa, JP;
Inventors:
Kazuki Suzuki, Kanagawa, JP;
Yasuhiro Maehata, Kanagawa, JP;
Assignee:
Ricoh Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/17 (2006.01); F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
Abstract
A driving device includes a shaft member and a driven gear rotatably disposed to the shaft member that is formed to be fixed to a surface plate member inside the driving device. The shaft member is provided with a flow passage for air penetrating along a shaft line thereof. A cavity is formed in a bearing member of the driven gear to be spaced from the shaft member.