Defining member for defining thickness of one-component develope

Details Defining member for defining thickness of one-component develope Defining member for defining thickness of one-component develope

1993-02-17

1994-10-04

Grimley, A. T.

Photocopying

Contact printing

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118651, 118657, 118661, 355251, 355253, G03G 1506

Patent

active

053531043

ABSTRACT:
An elastic blade which is maintained in contact with the developing sleeve for defining the thickness of one-component developer to be transported by the developing sleeve to a developing area, is composed of an elastic base member, and a surface layer coated thereon and giving friction on the one-component developer, and the surface layer contains a substance chargeable frictionally to a polarity opposite to the triboelectric polarity of the one-component developer and another substance chargeable frictionally to a polarity the same as the triboelectric polarity of the one-component developer, and is charged frictionally, in total, to a polarity opposite to the polarity of the one-component developer.

REFERENCES:
patent: 5122838 (1992-06-01), Kohyama
patent: 5177537 (1993-01-01), Okano et al.
patent: 5220129 (1993-06-01), Nishio et al.
patent: 5221946 (1993-06-01), Kohyama
patent: 5235387 (1993-08-01), Sato et al.

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