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:
Oct. 17, 2000
Filed:
Feb. 04, 1999
Yuichiro Higashi, Tokyo, JP;
Takeshi Kato, Tokyo, JP;
Nitto Kogyo Co., Ltd., Tokyo, JP;
Abstract
A toner image fixing apparatus has a fixing roller, a pressing roller normally urged toward the fixing roller for pressing a sheet with an unfixed toner image carried on a surface thereof against the fixing roller to fix the unfixed toner image to the sheet when the sheet passes in one direction through a rolling contact region between the fixing roller and the pressing roller, a heating roller disposed on one side of the fixing roller opposite to the pressing roller, the heating roller having a heating source disposed therein for heating the heating roller, an endless heat transfer belt trained around the heating roller and the fixing roller for transferring heat from the heating source to heat the unfixed toner image on the sheet when the sheet passes through the rolling contact region, and a standby mode temperature control circuit for maintaining temperatures of the fixing roller and the pressing roller in a predetermined temperature range in a standby mode.