Magnetic particle carrying apparatus

Details Magnetic particle carrying apparatus Magnetic particle carrying apparatus

1987-12-29

1990-01-30

Braun, Fred L.

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355245, 355251, G03G 1509, G03G 2100

Patent

active

048976938

ABSTRACT:
A magnetic particle carrying apparatus including a housing having an opening and a magnetic particle carrying member installed in the housing for carrying magnetic particles. The carrying member faces through the opening a latent image carrier for carrying an electrostatic latent image. In addition, the apparatus includes a seal member which is secured to a part of the housing opposite to a region on a periphery of the latent image carrier just before the opening and which extends to a vicinity of an area in which the periphery of the latent image carrier and a periphery of the magnetic particle carrying member are close to each other. The seal member has two extensions which cover areas near the ends of the magnetic particle carrying member.

REFERENCES:
patent: 3809012 (1974-05-01), Delvecchio
patent: 3900002 (1975-08-01), Stange
patent: 4142165 (1979-02-01), Miyakawa et al.
patent: 4285297 (1981-08-01), Suzuki
patent: 4528936 (1985-07-01), Shimazaki et al.
patent: 4575220 (1986-03-01), Sakamoto et al.
Caudill, A. H., "Developer Anti-Dusting Curtain", IBM Technical Disclosure Bulletin, vol. 20, No. 1, pp. 27 and 28, Jun. 1977.

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