Coating apparatus – With vacuum or fluid pressure chamber
Patent
1974-11-21
1976-08-17
Rimrodt, Louis K.
Coating apparatus
With vacuum or fluid pressure chamber
118DIG5, 118309, 118629, 118637, 427185, G03G 1508
Patent
active
039747964
ABSTRACT:
A powder cloud development apparatus is provided for developing latent electrostatic images on the surface of an insulating member, normally a photoconductive layer, employing a powder cloud development system. The development apparatus is operable in either a positive or negative mode and includes a development electrode comprising a plurality of spaced substantially parallel wires, a gap, or open section, which is formed between selected groups of these wires, the wires being connected at each end to a continuous loop drive mechanism. The parallel wires therefore or the gap may either be presented in operable relationship to the surface of the insulating member in order to provide either electroded or non-electroded development in the negative and positive modes respectively.
REFERENCES:
patent: 3169886 (1965-02-01), Simm
patent: 3640246 (1972-02-01), Jeromin et al.
patent: 3646910 (1972-03-01), Cade et al.
patent: 3842801 (1974-10-01), Larson et al.
patent: 3861354 (1975-01-01), Muntz et al.
U.S. Published Patent Application B323666 1/28/75 Jeromin, L.S.
Klingenberg Gordon U.
Murray, Jr. Gerald J.
Anderson T. J.
Beck J. E.
Karambelas A. W.
Rimrodt Louis K.
Salser Douglas
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