Paper conveying roller for image forming apparatus

Details Paper conveying roller for image forming apparatus Paper conveying roller for image forming apparatus

1987-03-18

1989-06-20

Petrakes, John

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Comprising rotary pinch pair

226190, 226194, B65H 506, B65H 900, B41J 1302, B41J 1303

Patent

active

048403008

ABSTRACT:
Disclosed is a paper conveying roller configuration for an image forming apparatus composed of a lower unit and an upper unit, the latter which is rotatably pivoted on the lower unit, having a paper conveying passage formed at the boundary surface or junction of these upper and lower units, with one of a pair of paper conveying roller configuration being disposed on the upper unit and the other one on the lower unit, wherein one of the paper conveying roller configuration is supported by a series of springs.

REFERENCES:
patent: 1897054 (1933-02-01), Hunter
patent: 2622448 (1952-12-01), Lorig
patent: 2873657 (1959-02-01), Bartlett et al.
patent: 3039665 (1962-06-01), Swanson
patent: 3107036 (1963-10-01), Richards et al.
patent: 3587961 (1971-06-01), Ritter
patent: 3589582 (1971-06-01), Fujimoto
patent: 4452524 (1984-06-01), Parisi
patent: 4752145 (1988-06-01), Schelshorn et al.

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