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. 14, 1992
Filed:
Jul. 12, 1988
Teruaki Mitsuya, Katsuta, JP;
Takao Kumasaka, Takahagi, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A fixing apparatus comprises; a conveyor belt device for conveying a recording medium on which toner images are developed, having two non-perforated conveyor belts and a plurality of perforated conveyor belts arranged between the two non-perforated conveyor belts; a radiant heating device arranged above the conveyor belt device, for heating the recording medium situated on the conveyor belt means by a flash and for fusing and fixing the toner images on the recording medium; and a suction device arranged in an area that is directly illuminated by the flash from the radiant heating means, below the plurality of perforated conveyor belts, so as to be completely covered by the plurality of perforated belts; and further includes at least one of features of; a cleaning device arranged outside of the area that is directly illuminated by the flash from the radiant heating means, for eliminating foreign matters on outer surfaces of the plurality of perforated conveyor belts; a tension adjusting device arranged outside of the area that is directly illuminated by the flash from the radiant heating means, for adjusting tension force of each of the conveyor belts; a gathering device arranged inside of the area that is directly illuminated by the flash from the radiant heating device below the suction means, for gathering the foreign matters dropped from the recording medium; and the plurality of perforated conveyor belts each having a bright color.