Apparatus for supplementing developing agent into image forming

Details Apparatus for supplementing developing agent into image forming Apparatus for supplementing developing agent into image forming

1991-02-01

1992-02-18

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

222DIG1, 141346, 141364, 141383, G03G 1508

Patent

active

050898540

ABSTRACT:
An apparatus for supplementing a toner into a toner hopper of a developing device using the toner including a toner supplementing container having a toner bottle having an opening, a shutter member movable between a close position in which the opening of the toner bottle is closed by the shutter member and an open position in which the opening of the toner bottle is not closed by the shutter member, and a shutter locking member for locking the shutter member into the close position; and a container fixing and locking mechanism arranged on the toner hopper and having a fixing member for fixing the toner supplementing container onto the toner hopper and a locking member which is movable into a locked position in which the shutter locking member is released to allow the movement of the shutter member into the open position and the toner supplementing container could not be removed from the toner hopper and an unlocked position in which the toner supplementing container can be removed from the toner hopper and the shutter member is locked in the close position. When the shutter member is moved into the open position, the user could not handle the container locking member, because the container locking member is hidden by the shutter member. In this manner, the toner can be positively and easily supplemented into the developing device by means of the toner hopper without causing undesired spread of the toner.

REFERENCES:
patent: 4060105 (1977-11-01), Feldeisen et al.
patent: 4304273 (1981-12-01), Caudill et al.
patent: 4942432 (1990-07-01), Mort et al.

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