Image forming apparatus including a cleaning blade and drum lubr

Details Image forming apparatus including a cleaning blade and drum lubr Image forming apparatus including a cleaning blade and drum lubr

1982-08-25

1985-05-28

Grimley, A. T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3FU, 118652, 184 99, 310228, G03G 2100, F16N 1500, B05C 11105, E21B 1022

Patent

active

045196982

ABSTRACT:
An image forming apparatus comprises a rotatable photosensitive drum driving mechanism for rotating the photosensitive drum; and a cleaning blade which is capable of being in contact with the outer circumferential surface of the photosensitive drum and which removes a residual developer on the outer circumferential surface upon contact therewith.
A recess is formed at part of the outer circumferential surface and holds lubricant therein; and the tip end of the cleaning blade feeds the lubricant in the recess to part of the outer circumferential surface of the photosensitive drum which is brought into contact with the cleaning blade to form a thin film of the lubricant upon contacting with the lubricant held in the recess as said photosensitive drum is rotated.

REFERENCES:
patent: 2555997 (1951-06-01), Portail
patent: 2987350 (1961-06-01), Hay
patent: 3590957 (1971-07-01), Campbell et al.
patent: 3896903 (1975-07-01), Takimoto
patent: 4279500 (1981-07-01), Kondo et al.
patent: 4381824 (1983-05-01), Pastusek
patent: 4407219 (1983-10-01), Dellevoet

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