Developing device

Details Developing device Developing device

1986-04-14

1988-05-24

Braun, Fred L.

Photocopying

Including fiber optics

118657, 355 3DD, G03G 1501, G03G 1508

Patent

active

047469528

ABSTRACT:
An apparatus for electrostatic latent image development having two or more units for multicolor development provided around a photoreceptor. Each unit has a developer feed controller for feeding developer to the developing section having a developing roller facing the photoreceptor drum and for shutting off the feeding and has a doctor blade in the feed up-stream in turning direction of the developing roller. Developer is applied to the developing section when development is performed by displacement of the developer feed controller and is shut off when the developing unit is not used for development.

REFERENCES:
patent: 3947107 (1976-03-01), Smith
patent: 3987756 (1976-10-01), Katayama et al.
patent: 4007707 (1977-02-01), Buchan et al.
patent: 4077358 (1978-03-01), Kito
patent: 4089297 (1978-05-01), Morita et al.
patent: 4351604 (1982-09-01), Karasawa et al.
patent: 4431298 (1984-02-01), Arai et al.
patent: 4496240 (1985-01-01), Yamashita et al.
patent: 4552451 (1985-11-01), Yamazaki et al.

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