Device for fixing a toner image in an electrostatic copying appa

Details Device for fixing a toner image in an electrostatic copying appa Device for fixing a toner image in an electrostatic copying appa

1985-09-04

1987-06-23

Prescott, A. C.

Photocopying

Including fiber optics

355 14SH, 355 3R, G03G 1500

Patent

active

046748598

ABSTRACT:
A fixing device for fixing a toner image on the surface of a sheet material within an electrostatic copying machine. A movable supporting member rotatably mounts a follower fixing roller for free movement between a press-contacting position, at which the follower fixing roller is maintained in press-contact with a rotatably mounted driven fixer roller, and an isolated position at which at least the greater portion of the follower fixing roller in its longitudinal direction is isolated from, or maintained out of press contact with, the driven fixer roller. A control mechanism moves the supporting members to the press-contacting position in response to energization of a dirve source to which the driven fixer roller is connected and to the isolated position upon deenergization of the drive source.

REFERENCES:
patent: 4285295 (1981-08-01), Iwao et al.
patent: 4384781 (1983-05-01), Takada
patent: 4421401 (1983-12-01), Kagiura et al.
patent: 4428660 (1984-01-01), Matsumoto

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