Apparatus for electrophotography

Details Apparatus for electrophotography Apparatus for electrophotography

1981-05-29

1984-03-06

Braun, Fred L.

Photocopying

Including fiber optics

355 3TR, 355 3SH, G03G 1514

Patent

active

044350686

ABSTRACT:
A copier in which a processing unit carrying a photoconductor drum, an exposure system, a liquid developer applicator, an excess liquid removal member, and a cleaning member is mounted for reciprocating movement with a forward stroke and a return stroke below a platen supporting the original document and in which a drive translates the unit while rotating the drum in synchronism with the translatory movement of the unit. A paper handling unit carrying a pair of registration rolls, a transfer corona, a copy paper pick-off, and a pair of delivery rolls, is mounted for reciprocating movement between a registration position at which its registration rolls receive a sheet from a supply of copy material and a position adjacent to the delivery end of the machine. In operation, the processing unit moves from its home position toward the registration position as the initial part of the image of the original is formed and developed. As it moves through the registration location, the processing unit picks up the paper handling unit and automatically provides a drive for the rollers thereof as the two units move together toward the delivery end of the machine. As the leading edge of the copy reaches its terminal location in the tray, movement of the units reverses and the copy delivery operation is completed during this reverse movement, before the paper handling unit returns to the registration position.

REFERENCES:
patent: 3637303 (1972-01-01), Komori et al.
patent: 3970383 (1976-07-01), Honda et al.
patent: 4116557 (1978-09-01), Kushima et al.
patent: 4214833 (1980-07-01), Kono
patent: 4341456 (1982-07-01), Iyer et al.
patent: 4367942 (1983-01-01), Ohtsuka

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