Developer housing sealing device for electrophotography

Details Developer housing sealing device for electrophotography Developer housing sealing device for electrophotography

1977-08-05

1979-09-25

Moses, R. L.

Photocopying

Including fiber optics

118653, 118652, 355 15, G03G 1500

Patent

active

041689011

ABSTRACT:
This specification discloses a developer treating device for preventing scattering or similar phenomenon of developer in an electrophotographic copying machine. The device is applicable to a developing device, a cleaning device or the like disposed in opposed relationship with the surface of a photosensitive medium to be developed or to be cleaned. In order that the flow of developer may be positively utilized to prevent the same from flowing out of the developing device or the cleaning device, the device has a developer scatter preventing member such as stay or the like which forms a multistage slit between itself and the surface of the photosensitive medium.

REFERENCES:
patent: 3332328 (1967-07-01), Roth
patent: 3336904 (1967-08-01), Obuchi
patent: 3633544 (1972-01-01), Weiler
patent: 3685485 (1972-08-01), Kutsuwada et al.
patent: 3784297 (1971-01-01), Ito et al.
patent: 3791730 (1974-02-01), Sullivan
patent: 3809012 (1974-05-01), Delvecchio
patent: 3906899 (1975-09-01), Harpavat
patent: 3939801 (1976-02-01), Tanaka et al.
patent: 3952701 (1976-04-01), Yamashita

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