Apparatus for producing duplex copies

Details Apparatus for producing duplex copies Apparatus for producing duplex copies

1978-09-15

1980-03-25

Braun, Fred L.

Photocopying

Including fiber optics

355 14SH, 355 24, G03G 1500

Patent

active

041948297

ABSTRACT:
Apparatus for producing duplex copies including an image transfer member movable at a first velocity and having first and second unfixed transferable images; and image transfer apparatus for transferring the first and second images to the first and second sides respectively of a copy sheet. A copy sheet turnover member is also provided adjacent to the image transfer member. The turnover member is movable in a first direction to separate a copy sheet to the first side of which the first image has been transferred. The turnover member is then movable in a second opposite direction to turnover the copy sheet while the first image is unfixed and to register the second side of the copy sheet with the second image on the image transfer member at the image transfer apparatus. A motor is provided for moving the copy sheet turnover member at a velocity equal to the first velocity both in the first direction during separation of the copy sheet from the image transfer member and in the second direction during registration of the copy sheet with the transfer member and at a velocity greater than the first velocity in either the first or second directions after the copy sheet is separated from but before it is brought back into registration with the transfer member.

REFERENCES:
patent: 3672765 (1972-06-01), Altmann
patent: 3687539 (1972-08-01), Furuichi
patent: 4095979 (1978-06-01), DiFrancesco et al.

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