Printer having main and auxiliary pin tractor units

Details Printer having main and auxiliary pin tractor units Printer having main and auxiliary pin tractor units

1989-10-13

1991-01-29

Eickholt, Eugene H.

Typewriting machines

Sheet or web

For feeding plural record media concurrently or selectively

4006161, 4006162, 226 74, B41J 1150

Patent

active

049882260

ABSTRACT:
A printer has a main pin tractor unit fixedly provided interiorly of a printer housing and an auxiliary pin tractor unit detachably mounted on the printer. The auxiliary pin tractor unit is mounted in a position immediately above the main pin tractor unit so that when the axuiliary pin tractor unit is detached from the printer, the main pin tractor unit is exposed to allow a continuous print sheet to be readily loaded on the main pin tractor unit. To selectively drive the main and the auxiliary pin tractor units with a single motor, a changeover mechanism is provided.

REFERENCES:
patent: 3049276 (1962-08-01), Wilkins
patent: 3477626 (1969-11-01), Hilpert
patent: 4743130 (1988-05-01), Katagiri et al.
patent: 4771921 (1988-09-01), Pearson et al.
"Feeding Apparatus for Continuous & Cut Forms", IBM Technical Disclosure Bulletin, vol. 6, No. 8, Jan. 1964, p. 91.
"Control Path for Continuous Form Feeding", IBM Techn. Disclosure Bulletin, vol. 1, No. 6, Apr. 1959, p. 3.

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