Developing device with a sealing construction for preventing ton

Details Developing device with a sealing construction for preventing ton Developing device with a sealing construction for preventing ton

1993-11-03

1995-02-14

Moses, R. L.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355215, 355245, 355259, G03G 1508

Patent

active

053897323

ABSTRACT:
A developing device having a sealing construction for preventing a toner leakage therefrom. The developing device having a housing for accommodating a toner therein, a developing sleeve supported at the housing for holding a toner on a peripheral surface thereof, a scraper one end of which is supported at the housing and the other end of which is pressed in contact with the peripheral surface of the developing sleeve along an axial direction of the developing sleeve for regulating means for regulating an amount of the toner supplied to said peripheral surface of said developing sleeve. The space among the housing, the developing sleeve and the scraper is sealed by a square-frame shaped seal member.

REFERENCES:
patent: 4897693 (1990-01-01), Sawayama
patent: 5057868 (1991-10-01), Sekino et al.
patent: 5134960 (1992-08-01), Shirai
patent: 5166733 (1992-11-01), Eliason
patent: 5177536 (1993-01-01), Watanabe et al.
patent: 5187326 (1993-02-01), Shirai
patent: 5212521 (1993-05-01), Ogawa et al.
patent: 5274425 (1993-12-01), Fukumoto et al.
patent: 5287150 (1994-02-01), Kinoshita et al.

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