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. 04, 2011
Filed:
Mar. 12, 2008
Takashi Yamanaka, Nara, JP;
Kimihide Tsukamoto, Osaka, JP;
Tatsuya Shinkawa, Nara, JP;
Kan Mukai, Nara, JP;
Takashi Yamanaka, Nara, JP;
Kimihide Tsukamoto, Osaka, JP;
Tatsuya Shinkawa, Nara, JP;
Kan Mukai, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A paper separation claw is separated from a surface of a pressure roller by a drive source being turned ON at a time tbefore commencement of rotation of the pressure roller, and the paper separation claw is made to contact the surface of the pressure roller by the drive source being turned OFF after commencement of rotation (a time t) of the pressure roller. Furthermore, the paper separation claw is separated from the surface of the pressure roller by the drive source being turned ON again before stopping of rotation (a time t) of the pressure roller after an image forming operation of a single job is finished, and the paper separation claw is made to contact the surface of the pressure roller by the drive source being turned OFF again after stopping of rotation (a time t) of the pressure roller.