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:
Jan. 22, 2013
Filed:
Mar. 01, 2010
Masamichi Yamada, Yokohama, JP;
Takahiro Yoshikawa, Sagamihara, JP;
Masamichi Yamada, Yokohama, JP;
Takahiro Yoshikawa, Sagamihara, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A fixing device includes a first driving system connected to a fixing roller and a separation roller and a second driving system connected to a pressing roller pressed against the fixing roller and the separation roller via a fixing belt. In the first driving system, a first transmission transmits a first driving force generated by a first motor to the fixing roller and the separation roller, and includes a first one-way clutch via which the first driving force is transmitted to the fixing roller. In the second driving system, a second transmission transmits a second driving force generated by a second motor to the pressing roller. When a circumferential velocity of the pressing roller is greater than a circumferential velocity of the fixing roller, the first one-way clutch idles to rotate the fixing roller in accordance with rotation of the pressing roller.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile