Printer having a self-aligning charging device

Details Printer having a self-aligning charging device Printer having a self-aligning charging device

1994-12-21

1996-05-28

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355200, G03G 1502, G03G 2116

Patent

active

055216803

ABSTRACT:
An automatically self-aligning charging device assembly for producing a layer of charge on a charge holding surface in alignment with a document registration position on the platen of a machine. The assembly includes a charging element having a start-of-charging position thereto, and a housing enclosing the charging element. The assembly also includes a stop member mounted to the frame of the machine at a first side of the platen for contacting a first end of the housing at a desired point so as to automatically align the start-of-charging position of the charging element with the document registration position. A resilient force applying member connected to a second end of the housing automatically absorbs corrective adjustments to a location of the start-of-charging position of the charging element relative to the document registration position on the platen, thereby automatically aligning the start-of-charging position with the document registration position.

REFERENCES:
patent: 2836725 (1958-05-01), Vyverberg
patent: 2879395 (1959-03-01), Walkup
patent: 3691373 (1972-09-01), Compton et al.
patent: 5324941 (1994-06-01), Gross et al.
patent: 5342942 (1994-06-01), Mishra et al.

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