Photocopying – Contact printing – Light boxes
Patent
1988-07-07
1990-04-03
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355260, G03G 1506
Patent
active
049144812
ABSTRACT:
A developing apparatus which includes a developing section disposed to confront a recording medium for effecting development, and a device for supplying developing material to the developing section. The developing device is characterized in that there is mounted a stirring device rotatably provided in a supply passage for supplying the developing material to the developing section, and shutter plates are provided on an outer periphery of the stirring device so as to be controlled for rotation, thereby selectively closing or opening the supply passage.
REFERENCES:
patent: 4583842 (1986-04-01), Shimono et al.
patent: 4625895 (1986-12-01), Tsukano
patent: 4652115 (1987-03-01), Palm et al.
Asanuma Masato
Hagihara Hideaki
Kaneshige Masatoshi
Yoshikai Tamio
Grimley A. T.
Pipala E. J.
Sharp Kabushiki Kaisha
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