Electrostatic printer drum improvements

Details Electrostatic printer drum improvements Electrostatic printer drum improvements

1981-10-01

1983-08-23

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DR, 355 3BE, 15 21E, G03G 1500

Patent

active

044000839

ABSTRACT:
Disclosed is an electrostatic printer having a rotatable drum with a photoreceptor belt mounted on the periphery. The photoreceptor belt is advanced past a cathode ray tube which forms an electrostatic image on its surface. A wiper brush is recessed within an opening extending transversely of the drum surface and is mounted for movement from the recessed position to a position in which it wipes the face of the cathode ray tube face as the drum is rotated. Also enclosed in conjunction with the wiper is a mechanism for periodically indexing the supply of photoreceptor web from a supply reel to a take-up reel both located interiorly of the drum. The photoreceptor is advanced by mechanism including planetary gearing.

REFERENCES:
patent: 4063809 (1977-12-01), Schrempp et al.
patent: 4068942 (1978-01-01), Pennell
patent: 4097138 (1978-06-01), Kingsley
patent: 4231652 (1980-11-01), Moser et al.
patent: 4239375 (1980-12-01), Eisbein et al.
patent: 4252435 (1981-02-01), Manghirmalani
patent: 4259003 (1981-03-01), Mangal et al.
patent: 4268159 (1981-05-01), Tashiro
patent: 4298268 (1981-11-01), Sato et al.

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