Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1975-01-27
1976-10-12
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
222214, 354304, G03G 1510
Patent
active
039854370
ABSTRACT:
An electrostatic image recording device in which an image is projected by an optical projecting system upon a charged, supported electrophotographic member to form a latent image on the photoconductive surface thereof. A container of toner in liquid suspension is provided with a spongelike member interior thereof and which has a relatively rigid foraminous wall, the remaining walls being flexible. The container and the supporting structure are moved one relative the other with the foraminous wall proximate the surface carrying the latent image and the toner suspension is pumped onto the said surface flooding same. The pumping is performed by temporarily collapsing the flexible said walls of the container with excess toner sucked up by return of the container to its normal condition.
The supporting structure for the electrophotographic member has a part framing the photoconductive surface which carries the latent image and the container has a border framing the foraminous surface, engagement of border and framing part defining a liquid tight chamber for receiving and retaining the toner suspension to assure flooding and proper removal of excess toner upon return of the container to its normal condition.
REFERENCES:
patent: 3133484 (1964-05-01), Wright
patent: 3343956 (1967-09-01), Wright
patent: 3472676 (1969-10-01), Cassiers et al.
patent: 3685412 (1972-08-01), Lehmann
patent: 3697176 (1972-10-01), Kuehnle et al.
patent: 3776630 (1973-12-01), Ohno et al.
patent: 3894512 (1975-07-01), Ohno
Coulter Information Systems, Inc.
Moses R. L.
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