Photocopying – Contact printing – Light boxes
Patent
1994-03-07
1995-07-04
Moses, R. L.
Photocopying
Contact printing
Light boxes
355245, 355209, G03G 1508
Patent
active
054305322
ABSTRACT:
A developing device is provided with a developer vessel for storing therein a developer material composed of toner particles and carrier granules and a developer material supply section for gradually supplying a carrier developer including the carrier granules from above the developer vessel, wherein a discharge opening for discharging therethrough the developer material is formed on a side face of the developer vessel. When a tilt detection unit provided with the developing device detects the tilt of the developing device, an alarm lamp is set ON for sending a warning. In the meantime, the discharge opening is closed for preventing an excessive overflow of the developer material from the developer vessel.
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patent: 4629309 (1986-12-01), Tsukano et al.
patent: 4891673 (1990-01-01), Buell
patent: 5095338 (1992-03-01), Hayes, Jr. et al.
patent: 5235391 (1993-08-01), Aimoto
patent: 5237373 (1993-08-01), Aimoto et al.
English Translation of a Portion of Japanese Document 2-21591, Published May 1990.
Irihara Kouichi
Takai Yasuhiro
Tanaka Hirokazu
Ueda Atsushi
Yamasa Hideo
Conlin David G.
Corless Peter F.
Moses R. L.
Sharp Kabushiki Kaisha
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