Cleaning device for photoconductive element of electrophotograph

Details Cleaning device for photoconductive element of electrophotograph Cleaning device for photoconductive element of electrophotograph

1984-03-27

1986-02-18

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118652, 1525652, G03G 2100

Patent

active

045710708

ABSTRACT:
A cleaning device includes a rotatable cleaning sleeve and magnets housed in the cleaning sleeve in order to remove residual toner particles from a photoconductive element of an electrophotographic copier or the like, which is supported by a frame in the form of a belt or a sheet. A pressing mechanism is employed to maintain the surface of the photoconductive element in pressing contact with the cleaning sleeve. The pressing mechanism comprises a pressing member which includes a soft member and is magnetically attracted by the magnets in the sleeve to cause the photoconductive element into pressing contact with the cleaning sleeve, and an urging member consisting of a magnetic member or a magnet and also magnetically attracted for urging the frame toward the cleaning sleeve. Pressure force magnifying members are provided for magnifying the pressure force in laterally opposite end portions of the photoconductive element.

REFERENCES:
patent: 4499849 (1985-02-01), Tomita et al.
patent: 4501484 (1985-02-01), Shimura

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