Roller transfer assembly

Details Roller transfer assembly Roller transfer assembly

1991-01-18

1992-03-31

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355274, 355315, G03G 1516

Patent

active

051012383

ABSTRACT:
For use in an electrostatographic reproduction apparatus, a roller transfer assembly of compact configuration for effecting transfer of a pigmented marking particle image from a dielectric support to a receiver member. The roller transfer assembly comprises an electrically biased transfer roller, a mechanism for cleaning the transfer roller, and a detack mechanism for facilitating release of the receiver member from the dielectric support. A unitary housing is provided for supporting the transfer roller for free rotation about its longitudinal axis, supporting the cleaning mechanism in operative association with the transfer roller, and for supporting the detack mechanism. The unitary housing is supported for movement to a first position in operative association with the dielectric support and a second inoperative position remote from the dielectric support, and a mechanism is provided for selectively moving the unitary housing to the first position or to the second position.

REFERENCES:
patent: 3847119 (1974-11-01), Hoffman et al.
patent: 3894799 (1975-07-01), Prats
patent: 3907421 (1975-09-01), Jordan et al.
patent: 4190348 (1980-02-01), Friday

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