Device for changing sheet shape before entry into fuser nip

Details Device for changing sheet shape before entry into fuser nip Device for changing sheet shape before entry into fuser nip

1988-04-21

1989-10-24

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, 355311, G03G 1500

Patent

active

048765767

ABSTRACT:
A fixing device is provided in an image forming apparatus. The fixing device has first and second rollers to form a nip portion therebetween. An image forming medium having a flat shape and a leading edge, on which an unfixed image is formed. The image forming medium is conveyed and approaches the nip portion between the first and second rollers. The fixing device also has a changing unit for changing the shape of the vicinity of the leading edge of the image forming medium from the flat shape to a convex shape while the image forming medium is being conveyed to approach the nip portion.

REFERENCES:
patent: 3240490 (1966-03-01), Fairbanks et al.
patent: 3884623 (1975-05-01), Slack
patent: 4378152 (1983-03-01), Edwards et al.
patent: 4693587 (1987-09-01), Shigenobu et al.
Kobus; Xerox Disclosure Journal; vol. 6, No. 5; Sep./Oct. 1981.

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