Electrostatic copying apparatus

Details Electrostatic copying apparatus Electrostatic copying apparatus

1976-05-14

1978-08-29

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

271 65, 355 3SH, 355 24, G03G 1500, B65H 2966

Patent

active

041100301

ABSTRACT:
In a copying apparatus, a sheet original exposure unit is provided which has an exposure window for exposing a sheet original therethrough, and a transport device for transporting the sheet original through the exposure window. The exposure window and the transport device are rotatable together. Optical elements are provided including a lens and mirrors for projecting the image of the sheet original upon a photosensitive medium, and a driving mechanism is provided which utilizes the rotation of the sheet original exposure unit to drive the transport device in the opposite direction so as to enable the back side of the sheet original to be exposed.

REFERENCES:
patent: 3227444 (1966-01-01), Egan
patent: 3506347 (1970-04-01), Carlson
patent: 3675999 (1972-07-01), Komori et al.
patent: 3790272 (1974-02-01), Knechtel et al.
patent: 3833296 (1974-09-01), Vola et al.
patent: 3873189 (1975-03-01), Whitaker et al.
patent: 3980406 (1976-09-01), Lang

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