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. 25, 2013
Filed:
Jan. 28, 2011
Yuichi Aoyama, Tokyo, JP;
Takuma Nakamura, Tokyo, JP;
Tetsurou Sasamoto, Tokyo, JP;
Masafumi Yamada, Tokyo, JP;
Shunichi Abe, Tokyo, JP;
Yuichi Aoyama, Tokyo, JP;
Takuma Nakamura, Tokyo, JP;
Tetsurou Sasamoto, Tokyo, JP;
Masafumi Yamada, Tokyo, JP;
Shunichi Abe, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A fixing device includes a foam fixer generator unit generating a foam fixer containing a softener softening toner by dissolving or swelling part of resin of the toner, an application roller carrying and transferring the foam fixer onto a recording sheet, a pressure roller applying pressure to a toner image on the recording sheet via the foam fixer on the application roller to fix the toner image on the recording sheet, a cleaning device removing residual components remaining on the application roller, a recording sheet detector unit detecting presence or absence of the recording sheet, a remover unit being in contact with and separated from the application roller to remove the foam fixer on the application roller, and a control unit controlling the contact-separation operation of the remover unit based on a detected result of a front end and/or a rear end of the recording sheet.