Contact fixing device with an improved cleaning mechanism

Details Contact fixing device with an improved cleaning mechanism Contact fixing device with an improved cleaning mechanism

1986-06-09

1987-12-08

Braun, Fred L.

Photocopying

Including fiber optics

1525651, 219216, 355 15, 355 30, 432 60, G03G 2100

Patent

active

047115491

ABSTRACT:
A contact fixing device primarily used in electrophotographic copiers is provided with a driven and heated fixing surface which is made from a partially resilient material and a driven pressure surface which presses against the fixing surface forming a fixing zone through which copy material can be fed for fixing a toner image thereon. It also has a hollow perforated cleaning roller which while rotating in contact with the fixing surface takes up toner from the fixing surface. To prevent contamination of the device due to toner material flowing over the ends of the cleaning roller, the device is provided with a disc roller near each end of the cleaning roller which presses against the cleaning roller and is thereby rotationally driven.

REFERENCES:
patent: 3861861 (1975-01-01), Thettu
patent: 4390268 (1983-06-01), Furuichi et al.
patent: 4411042 (1983-10-01), Sakata et al.
patent: 4607947 (1986-08-01), Ensing et al.

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