Photocopying – Contact printing – Light boxes
Patent
1995-05-23
1996-01-02
Fuller, Benjamin R.
Photocopying
Contact printing
Light boxes
355289, 355206, 219216, G03G 1520
Patent
active
054813476
ABSTRACT:
An image fixing device includes a fixing roller having bearings at each end, a backup roller held in pressure contact with the fixing roller, and a frame receiving the fixing roller and backup roller and having an abnormal temperature rise prevention element. The fixing roller and the backup roller are insertable into the frame in directions perpendicular to the axes of these rollers. The bearing at one end of the fixing roller holds its entire circumference while the other bearing supports only part of the circumference of the fixing roller and the abnormal temperature rise prevention element is set at a predetermined positional relationship to the heating roller as a result of insertion of the heating roller.
REFERENCES:
patent: 4147501 (1979-04-01), Goshima et al.
patent: 4389114 (1983-06-01), Westerman
patent: 4428660 (1984-01-01), Matsumoto
patent: 4640600 (1987-02-01), Hirabayashi et al.
patent: 4785319 (1988-11-01), Fujino et al.
patent: 4899197 (1990-02-01), Davis et al.
"IBM Technical Disclosure Bulletin" vol. 22, No. 10, Mar. 1980, p. 4403.
"IBM Technical Disclosure Bulletin" vol. 23, No. 12, May 1981, pp. 5622-5623.
Adachi Nobukazu
Kikuchi Yutaka
Barlow Jr. John E.
Canon Kabushiki Kaisha
Fuller Benjamin R.
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