Developer thickness-controlling blade and production process the

Details Developer thickness-controlling blade and production process the Developer thickness-controlling blade and production process the

1996-08-23

1999-02-02

Braun, Fred L.

Electrophotography

Image formation

Development

399274, G03G 1506, G03G 2100

Patent

active

058677585

ABSTRACT:
A blade controls a layer thickness of the developer and/or triboelectrically charges the developer on a surface of the developing roller in an electrographic imaging device. The blade is a longitudinally extended member made by punching a thin resilient plate of metal in a press mold, and a tip portion thereof has a curved tail part having a smooth surface and a gradually reduced thickness formed as a shear drop upon punching.

REFERENCES:
patent: 4836135 (1989-06-01), Kohyama et al.
patent: 5054419 (1991-10-01), Itaya et al.
patent: 5338895 (1994-08-01), Ikegawa et al.
patent: 5373353 (1994-12-01), Fukasawa

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