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:
Apr. 03, 2001
Filed:
Apr. 25, 2000
Youichi Ishikawa, Minato-ku, JP;
Takeshi Kato, Minato-ku, JP;
Nitto Kogyo Co., Ltd., Tokyo, JP;
Abstract
A fixing apparatus is capable of ensuring the increase of the feeding speed of the recording medium, by effectively accomplishing to preheat the recording medium. In order to accomplish the object, the fixing apparatus (,) have a fixing roller (,), and a pressing roller (,) being rollingly contacted the fixing roller (,) by a predetermined pressure, wherein an unfixed toner image which is carried on a sheet (S) is fixed thereon by passing the sheet (S), on which the toner image is carried, through a nip portion between the fixing roller (,) and the pressing roller (,) along one direction, and further have a heater (,) provided so as to be remote from said fixing roller (,), a heating roller (,) provided so as to be remote from the fixing roller (,), a fixing belt (,) endlessly trained around the heating roller (,) and fixing roller (,), for heating the sheet (S) passing through the nip portion upon receiving the heat from the heater (,), a supporting member (,) fixed on an upstream side of pressing roller (,) with respect to one direction, for supporting the undersurface of the sheet (S) prior to passing through the nip portion, and a heating member (,) for heating the supporting member (,) to preheat the sheet (S) prior to pass through the nip portion.