Photocopying – Contact printing – Light boxes
Patent
1995-01-20
1996-06-11
Moses, R. L.
Photocopying
Contact printing
Light boxes
118653, G03G 1508
Patent
active
055260993
ABSTRACT:
A developing device according to the present invention is provided along a photosensitive body. The developing device comprises: a hopper for accommodating and supplying a developer; a recovering roller which serves as a developer carrier member for transporting the developer carried on a surface thereof to a developing place; and a developer circulating path for circulating the developer between the hopper and the recovering roller. The developer circulating path includes a part of the hopper and a forward path and a backward path both of which extend from the hopper along the photosensitive body, the forward path and the backward path respectively have spaces independent of each other, and in each of the spaces a screw is provided for holding the developer therein and transporting the developer.
REFERENCES:
patent: 4705384 (1987-11-01), Mizutani et al.
patent: 5126799 (1992-06-01), Matsuura et al.
patent: 5206692 (1993-04-01), Ishida et al.
patent: 5260750 (1993-11-01), Ishida et al.
patent: 5268720 (1993-12-01), Saitoh
patent: 5289241 (1994-02-01), Sugiyama et al.
patent: 5307128 (1994-04-01), Murasaki et al.
Matsushita Electric - Industrial Co., Ltd.
Moses R. L.
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