Blade device and image forming apparatus

Details Blade device and image forming apparatus Blade device and image forming apparatus

1993-05-11

1994-11-08

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

118652, 152565, 1525651, 355296, G03G 2100

Patent

active

053631820

ABSTRACT:
A blade device for use in contact with an object such as an image-carrying photosensitive drum of an image forming apparatus. The blade device has a blade body made of urethane rubber, a surface coating layer and an underlying primer layer between the surface coating layer and the blade body, the primer layer covering an area of the blade body more extensive than that covered by the surface coating layer, the surface coating layer being provided on the region of the primer layer which is closer to the object than is a portion of the blade body where stresses are concentrated when the blade is held in contact with the object.

REFERENCES:
patent: 3936183 (1976-02-01), Sadamatsu
patent: 4825249 (1989-04-01), Oki et al.
patent: 4937633 (1990-06-01), Ewing
patent: 5145724 (1992-09-01), Yanai et al.

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