Magnetic closing and conveying mechanism for non-mechanical prin

Details Magnetic closing and conveying mechanism for non-mechanical prin Magnetic closing and conveying mechanism for non-mechanical prin

1987-05-06

1988-10-04

Grimley, A. T.

Photocopying

Including fiber optics

118636, 118655, 355 3R, G03G 1508

Patent

active

047758740

ABSTRACT:
A magnetic mechanism is provided for a non-mechanical printer or copier device comprising a conveying channel through which a developer mix including magnetic components contained therein flows, so that a plug of developer mix is generated via the magnetic mechanism for closing the conveying channel. The conveying channel contains a rotatable drum containing a magnetic strip and the drum is arranged in the conveying channel such that the one wall of the conveying channel forms a narrow retaining gap together with the drum and the other wall of the conveying channel forms a significantly broader conveying gap together with the drum.

REFERENCES:
patent: 3333566 (1967-08-01), Kent
patent: 3522990 (1970-08-01), Koizumi et al.
patent: 3712266 (1973-01-01), Stauffer
patent: 3717122 (1973-02-01), Hudson
patent: 3764208 (1973-10-01), Takahashi et al.
patent: 3927640 (1975-12-01), Smith
patent: 3930466 (1976-01-01), Stover
patent: 3954331 (1976-05-01), Smith
patent: 4226525 (1980-10-01), Sakamoto et al.

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