Apparatus for producing an electrophotographic print

Details Apparatus for producing an electrophotographic print Apparatus for producing an electrophotographic print

1986-01-02

1987-10-27

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118659, 354317, G03G 1510

Patent

active

047025883

ABSTRACT:
An apparatus for producing an electrographic print on a photosensitive receptor placed on a holder so as to produce an electrostatic latent image on the receptor by projecting light thereon, the apparatus including a developing unit located below the receptor holder, the developing unit including a developing section, the developing unit or the receptor holder being movable in relation to the other, the developing section supplying a developer to the sensitive receptor so as to make the electrostatic latent image visible, and a mechanism for collecting the used developer from the sensitive receptor, the collecting mechanism including a pneumatic knife for blowing the used developer on the sensitive receptor to a place of collection, and an arrangement for receiving the used developer brought by the pneumatic knife, the receiving arrangement being provided on that surface of the receptor holder which is outside the sensitive receptor, the receiving arrangement being provided in a direction perpendicularly to the direction in which the receptor holder or the developing unit is moved.

REFERENCES:
patent: 1928235 (1933-09-01), Taylor
patent: 2922352 (1960-01-01), Tuttle et al.
patent: 3741643 (1973-06-01), Smith et al.
patent: 4244321 (1981-01-01), Plumadore
patent: 4247191 (1981-01-01), Grace et al.
patent: 4271559 (1981-06-01), Blumenthal
patent: 4358195 (1982-11-01), Kuehnle et al.

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