Control for retracting the cleaning blade of a reproduction or p

Details Control for retracting the cleaning blade of a reproduction or p Control for retracting the cleaning blade of a reproduction or p

1986-01-15

1987-01-27

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14R, G03G 2100

Patent

active

046391223

ABSTRACT:
To disengage the cleaning blade from the photoreceptor of a reproduction machine and avoid cold set and damage to the photoreceptor during prolonged machine shutdowns, a bi-metal coil spring is positioned inside the fusing roll to sense fuser temperatures, with linkage coupling the spring to the cleaning blade so that when fuser temperatures fall below a preset operating temperature, the spring relaxes permitting a weighted member to retract and disengage the blade from the photoreceptor.

REFERENCES:
patent: 3883292 (1975-05-01), Hamaker
patent: 3936658 (1976-02-01), Traister et al.
patent: 4174172 (1979-11-01), Lane
patent: 4264191 (1981-04-01), Gerbasi et al.

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