Residual toner removing apparatus

Details Residual toner removing apparatus Residual toner removing apparatus

1974-02-25

1976-03-09

Stein, Mervin

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118637, 15 15R, G03g 1500

Patent

active

039428893

ABSTRACT:
A residual toner removing apparatus which comprises a rotatable cleaning brush enclosed, except for two gaps, by a casing plate and a restriction board housed in a housing with an opening adjacent to a known photoreceptor surface. During rotation, brush hairs contact the casing plate to charge it with opposite polarity to toner particles, while the bursh hairs are compressed by the restriction board, thus the cleaning brush acting like a fan for circulation of air and entrained toner particles, which toner particles are mostly attracted by the casing plate and the housing wall forming an air flow chamber. A scraper actuated manually or motor-driven automatically at arbitrary times is advantageously provided in the air flow chamber for scraping off the adhering toner particles.

REFERENCES:
patent: 2751616 (1956-06-01), Turner, Jr. et al.
patent: 3132037 (1964-05-01), Hunter
patent: 3483679 (1969-12-01), Balbierer
patent: 3534427 (1970-10-01), Severynse
patent: 3590412 (1971-07-01), Gerbasi
patent: 3655373 (1972-04-01), Fisher et al.
patent: 3685485 (1972-08-01), Kutsuwada et al.
patent: 3780391 (1973-12-01), Leenhouts
patent: 3795025 (1974-03-01), Sadamitsu
IBM Technical Disclosure Bulletin; Brush Cleaning Method; Krause, K.A.; Vol. 12 No. 11 Apr. 70 p. 1822.
IBM Technical Disclosure Bulletin; Brush Cleaner with Electrostatic Precipitator; Roller et al.; Vol. 15, No. 12, May 73, p. 3643.

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