Paper-feeding mechanism of a small-sized printer

Details Paper-feeding mechanism of a small-sized printer Paper-feeding mechanism of a small-sized printer

1981-03-04

1983-09-13

Heinz, A. J.

Typewriting machines

Sheet or web

Including feed of plural record-media arranged side-by-side

400605, 4006084, 226109, B41J 1148, B41J 1150

Patent

active

044038780

ABSTRACT:
In a small printer a common drive mechanism advances two independent paper sheets in unison by a single line spacing or pitch distance during each print cycle. Alternatively the first paper sheet is advanced four pitch distances while the second sheet is advanced one spacing or pitch distance during a print cycle. Or in another alternative action only the second paper sheet is advanced one pitch distance in the print cycle while the first sheet is stationary. Gearing to drive each paper sheet is coaxially but independently mounted. A solenoid plunger translates the gearing which drives the first sheet between a position of engagement with the gears driving the second sheet, and a position of engagement with intermediate gearing which drives the first paper sheet by four spacings.

REFERENCES:
patent: 1421213 (1922-06-01), Goodwin
patent: 1696243 (1928-12-01), Kurowski
patent: 2653690 (1953-09-01), Saracchi
patent: 3653483 (1972-04-01), Cortona
patent: 3918313 (1975-11-01), Montagnino
patent: 4027765 (1977-06-01), Crump
patent: 4109843 (1978-08-01), Usui

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