Form band alignment device for a form printer

Details Form band alignment device for a form printer Form band alignment device for a form printer

1978-03-29

1981-02-17

Wright, Jr., Ernest T.

Typewriting machines

Sheet or web

For feeding web record-medium

4006103, 4006163, 400619, 400631, 400632, 400708, 226 76, 226 89, 226 91, B41J 1500

Patent

active

042511623

ABSTRACT:
A perforated form band is introduced into a form printer through an input passage or shaft. The passage is formed by spaced walls and is pivotally mounted on the printer for movement between an input position and a working position. In the input position, a form band is introduced into and aligned within the input passage. In one embodiment, the leading end of the form band contacts transversely extending stop surfaces, while in another the leading end of the form band is aligned with an indicating mark and the perforations on the form band engage with projections in the input passage. With the form band aligned, the input passage is moved into the working position engaging the perforations in the form band on pins projecting outwardly from sprocket wheels which drive the form band through the printer. In the working position of the input passage, the form band no longer contacts the stop surfaces or engages the projections used in the aligning operation.

REFERENCES:
patent: 1326306 (1919-12-01), Thomas
patent: 2156315 (1939-05-01), Sherman et al.
patent: 2809830 (1957-10-01), Becker
patent: 2879993 (1959-03-01), Scozzafava et al.
patent: 3288264 (1966-11-01), Gabrielson et al.
patent: 3292763 (1966-12-01), Whitehead
patent: 3430748 (1969-03-01), Parri
patent: 3548746 (1970-12-01), Hepp
patent: 3656602 (1972-04-01), Konkel et al.
patent: 3730082 (1973-05-01), Perry
patent: 3979036 (1976-09-01), Vorbach et al.

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