Synchronized document feed for electrophotographic imaging copie

Details Synchronized document feed for electrophotographic imaging copie Synchronized document feed for electrophotographic imaging copie

1983-08-22

1984-12-11

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, 355 3SH, G03G 1500

Patent

active

044874995

ABSTRACT:
In an electrostatic copier, a patterned original is moved along the top wall thereof in synchronism with the movement of a flexible electrophotographic looped member. A single electric motor functions to move the electrophotographic member in a predetermined direction past the functional stations of the copier.
The patterned member is moved by a pair of rollers arranged to define a nip, one of the rollers being driven by the electric motor. Power is applied to the electric motor to start rotation of the rollers and movement of the electrophotographic member simultaneously, the rollers arranged to enable a patterned member to be pressed into said nip while the motor is not energized and neither the electrophotographic member nor the one of the said rollers is rotating, at which time the electric motor can be energized manually causing synchronized movement of the patterned member and the electrophotographic member.

REFERENCES:
patent: 3438707 (1969-04-01), Hanson
patent: 3647293 (1972-03-01), Queener
patent: 3779638 (1973-12-01), Ravera et al.
patent: 3991998 (1976-11-01), Banz et al.
patent: 3997262 (1976-12-01), Doi et al.
patent: 4013359 (1977-03-01), DuBois et al.
patent: 4080060 (1978-03-01), Nothmann
patent: 4084901 (1978-04-01), Aasen et al.
patent: 4140387 (1979-02-01), Gustafson
patent: 4158500 (1979-06-01), DiFrancesco et al.
patent: 4264187 (1981-04-01), Rhodes, Jr.
U.S. patent application Ser. No. 947,873 filed 10/02/78, now abandoned.

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