Developing roller for use in an image recorder

Details Developing roller for use in an image recorder Developing roller for use in an image recorder

1989-02-22

1990-03-20

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355261, 118651, G03G 1508

Patent

active

049105566

ABSTRACT:
A developing roller in a one-component developer type image recorder and held in contact with an image carrier for developing a latent image in the form of an electrostatic charge provided on the image carrier, has a metal core, an elastic layer provided on the core and constituted by rubber and a softener, and a toner retaining layer provided on the elastic layer for retaining toner thereon. The toner retaining layer covers all of the surfaces of the elastic layer, i.e. the peripheral surface and opposite ends. The toner retaining layer is implemented by a resin or rubber which is oil-resistant and does not show affinity to the softener.

REFERENCES:
patent: 4282303 (1981-08-01), Bergen
patent: 4309803 (1982-01-01), Blaszak
patent: 4395110 (1985-07-01), Hosono et al.
patent: 4521098 (1985-06-01), Hosoya et al.
patent: 4539908 (1985-09-01), Spengler
patent: 4710015 (1987-12-01), Takeda et al.
patent: 4827305 (1989-05-01), Enoguchi et al.
patent: 4827868 (1989-05-01), Tarumi et al.

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