Paper feed roller

Details Paper feed roller Paper feed roller

1996-04-02

1997-09-23

Skaggs, W. Grant

Sheet feeding or delivering

Delivering

Rotary conveyor

271272, 271109, 492 28, 492 49, B65H 2920

Patent

active

056696051

ABSTRACT:
There is provided a paper feed roller capable of being used for delivering and feeding paper, which is high in coefficient of friction, has sufficient hardwearing properties with the coefficient of friction not affected by the change in environment of temperature and humidity, is low in ink transferability and is small in change in passage of year of the coefficient of friction of the surface.
A coating layer 5 formed of an elastic material such as rubber is formed on an surface of a core material 4 molded of a foamed material such as sponge, and a bonding agent 6 having an elasticity such as denatured silicon is coated on the surface of the coating layer 5 so that ceramic particles 7 are fixed without clearance to provide a paper feed roller 1. Alternatively, the bonding agent 6 is directly coated on the surface of the core material 4 molded of a pliable material such as soft rubber and sponge so that the ceramic particles 7 are fixed without clearance to provide the paper feed roller 9.

REFERENCES:
patent: 2741014 (1956-04-01), Hubbard
patent: 5127325 (1992-07-01), Fadner
patent: 5152522 (1992-10-01), Yamashita
patent: 5153663 (1992-10-01), Bober et al.
patent: 5206992 (1993-05-01), Carlson et al.
patent: 5209466 (1993-05-01), Watts et al.
patent: 5553845 (1996-09-01), Sawa et al.

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