Developing apparatus including a blade for forming a toner layer

Details Developing apparatus including a blade for forming a toner layer Developing apparatus including a blade for forming a toner layer

1991-02-13

1993-05-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118653, 355245, G03G 1506

Patent

active

052105750

ABSTRACT:
A developing device having a developing roller facing an electrostatic latent image carrying body, and developing agent layer forming device brought into contact with the surface of the developing roller, the developing agent layer being put in contact with the electrostatic latent image carrying body thereby visualizing the latent image. The developing agent layer forming means comprises a thin-plate spring member and an elastic member of rubber or resin situated at a location away from the free end portion of the thin-plate spring member by 0.5 to 5 mm, which is put in contact with the surface of the developing roller.

REFERENCES:
patent: 3152012 (1964-10-01), Schaffert
patent: 3731146 (1973-05-01), Bettiga et al.
patent: 4616918 (1986-10-01), Kohyama et al.
patent: 4662311 (1987-05-01), Shoji et al.
patent: 4920916 (1990-05-01), Mizuno et al.
patent: 4967231 (1990-10-01), Hosoya et al.
patent: 5057868 (1991-10-01), Sekino et al.

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