Typewriting machines – Sheet or web – Including feed of plural record-media arranged side-by-side
Patent
1985-06-07
1987-01-27
Pieprz, William
Typewriting machines
Sheet or web
Including feed of plural record-media arranged side-by-side
400605, 400607, 4006081, 4006002, B41J 1522
Patent
active
046391541
ABSTRACT:
A dual station printer mechanism (10) including a first feed roller (22), a second feed roller (24), drive means (16) having an output shaft (20) for driving the first and second feed rollers (22, 24) and coupling means in the form of one-way clutches (34, 36) for selectively coupling and decoupling the first and second feed rollers (22, 24) from the output shaft of the drive means. Mechanism (10) further preferably includes a first pressure roller (68) normally biased against first feed roller (22) and a second pressure roller (80) normally biased against second feed roller (24) for enabling effective movement of first and second data carriers respectively therebetween to a position between a printhead 70 and a print bar 72 at which printing occurs. Rollers (68, 80) are mounted such that a crank arm (82) can be rotated by an operator and cause roller (68) to respectively move away from roller (22) and roller (80) to respectively move away from roller (24) for a distance sufficient to enable insertion or removal of the first and second data carriers for effective operation of mechanism (10) preferably in conjunction with moving print bar (72) away from printhead (70) and a data carrier (120) away from print bar (72) during the rotation of crank arm (82).
REFERENCES:
patent: 3625333 (1971-12-01), Contona et al.
patent: 3653483 (1972-04-01), Contona et al.
patent: 4205770 (1980-06-01), Wojdyla
patent: 4360279 (1982-11-01), Sugiura
patent: 4417517 (1983-11-01), Matsuda et al.
patent: 4439051 (1984-03-01), Lawter
patent: 4448559 (1984-05-01), Matsuda et al.
Kratzert, "Independent Dual Form Feed", IBM Technical Disclosure Bulletin, vol 20, No. 8, pp. 3179-3180.
Chrow A. E.
Eaton Corporation
Pieprz William
Rowe D. A.
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