Apparatus for feeding a developing agent through a device for de

Details Apparatus for feeding a developing agent through a device for de Apparatus for feeding a developing agent through a device for de

1996-10-23

1998-05-12

Grimley, Arthur T.

Electrophotography

Image formation

Development

399 64, 399254, G03G 1508

Patent

active

057521450

ABSTRACT:
A device for developing an electrostatic latent image includes a developing housing having a developing chamber and stirrer chamber, a replenishing device for feeding the developing agent onto the peripheral surface of the developing roller, a stirring device disposed in the stirrer chamber to stir the developing chamber, and a developing agent detecting sensor disposed in the developing housing under the stirring device. The stirring device has a rotary shaft, a cleaning member mounted on the rotary shaft at a position corresponding to a development agent detector unit of the developing agent detecting sensor, and a stirrer member mounted on the rotary shaft at the side of the cleaning member. The stirrer member is provided with tilted guide portions for sending the stirred developing agent toward the developing agent detecting sensor.

REFERENCES:
patent: 4901115 (1990-02-01), Nakamura et al.
patent: 5036358 (1991-07-01), Yoshida
patent: 5436704 (1995-07-01), Moon
patent: 5530528 (1996-06-01), Houki et al.
patent: 5532790 (1996-07-01), Akazawa

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