Developer regulating member and developing apparatus

Details Developer regulating member and developing apparatus Developer regulating member and developing apparatus

1997-05-20

1999-04-06

Grimley, Arthur T.

Electrophotography

Image formation

Development

G03G 1508

Patent

active

058930132

ABSTRACT:
A developer regulating member includes a thin plate having a spring property and a polyamide-containing rubber layer disposed on the thin plate. The polyamide-containing rubber layer contains a polyamide having the Shore D hardness between 25 and 65 both inclusive. A developing apparatus includes a developer container for containing a monocomponent developer of negative charging property, a developer carrying member provided in an opening portion of the developer container, for carrying the developer, and a regulating member for forming a nip together with the developer carrying member and regulating a thickness of a developer layer on the developer carrying member. A surface of the regulating member forming the nip is comprised of a polyamide-containing rubber layer containing a polyamide having the Shore D hardness between 25 and 65 both inclusive.

REFERENCES:
patent: 5086728 (1992-02-01), Konoshita
patent: 5287150 (1994-02-01), Kinoshita et al.
patent: 5311264 (1994-05-01), Kinoshita
patent: 5342717 (1994-08-01), Su et al.
patent: 5353104 (1994-10-01), Kato et al.
patent: 5369478 (1994-11-01), Kobayashi et al.
patent: 5587776 (1996-12-01), Watanabe et al.

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