Paper feed apparatus for typewriters or business machines having

Details Paper feed apparatus for typewriters or business machines having Paper feed apparatus for typewriters or business machines having

1984-05-16

1985-10-29

Pieprz, William

Typewriting machines

Means auxiliary to typewriting function

Indicator means

400 54, 400622, 101233, 226 45, 226100, 271263, B41J 1164

Patent

active

045498261

ABSTRACT:
A paper feed apparatus for line printer means for the transport of single-ply and multi-ply paper contains a paper levelling gap in the ingress region of the paper guidance channel. The paper levelling gap consists of a stationary part and of a slide capable of excursion relative to said stationary part, with said slide communicating with a sensing means. Given transgression of a prescribed slot width due to buckling of the multi-ply paper, the paper feed is interrupted via the sensing means and a warning light is actuated.

REFERENCES:
patent: 3722773 (1973-03-01), Plate et al.
patent: 3860234 (1975-01-01), Parenti et al.
patent: 3875860 (1975-04-01), Barber
patent: 4111565 (1978-09-01), Jagger
patent: 4141660 (1979-02-01), Bommershein et al.
patent: 4154437 (1979-05-01), Butcheck et al.
patent: 4420151 (1983-12-01), Kobayashi
patent: 4449399 (1984-05-01), Hain
patent: 4461212 (1984-07-01), Geney
patent: 4469454 (1984-09-01), Crean
patent: 4491929 (1985-01-01), Ikoma et al.

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