Cleaning unit in electrophotographic copier

Details Cleaning unit in electrophotographic copier Cleaning unit in electrophotographic copier

1987-09-21

1989-02-21

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118652, 1525651, G03G 2100

Patent

active

048069817

ABSTRACT:
A cleaning unit for an electrophotographic copier is provided to remove toner and developing material from a photo-sensitive material from which a developed image has been transferred and includes a housing having an opening facing the photo-sensitive material. A main blade member is provided in the housing of the cleaning unit and has an upper portion which abuts against the photo-sensitive material through an opening of the housing to scrape the toner and developing materials off the photo-sensitive material. The cleaning unit further includes a receiving blade covering the lower portion of the opening, and having an upper end portion abutted against the photo-sensitive material to allow the toner and developing material scraped off by the main blade to fall into the opening and a film-shaped reinforcing member bonded to the surface of the receiving blade facing the inside of the housing to prevent deformation of the receiving blade.

REFERENCES:
patent: 421813 (1980-08-01), Iwai et al.
patent: 4297026 (1981-10-01), Honda et al.
patent: 4357098 (1982-11-01), Endo
patent: 4403852 (1983-09-01), Hirabayashi et al.
patent: 4417365 (1983-11-01), Murasaki
patent: 4530594 (1985-07-01), Adachi
patent: 4561766 (1985-12-01), Fox

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