Variable length paper guide for paper tractors in printer facili

Details Variable length paper guide for paper tractors in printer facili Variable length paper guide for paper tractors in printer facili

1986-07-03

1988-06-21

Piepaz, William

Typewriting machines

Sheet or web

For feeding web record-medium

4006163, 400651, 29124, 29126, 29130, 226194, 226199, B41J 1132

Patent

active

047521457

ABSTRACT:
The device for paper guidance in printing facilities comprising a paper tractor that transports continuous form paper comprises a plurality of paper guide elements displaceably arranged on a transport shaft dependent on the width of the paper. Compression springs that are supported on the paper guide elements are arranged between the paper guide elements. The hollow-cylindrically fashioned paper guide elements are interrupted in denticular fashion at their surface areas, whereby the respectively neighboring toothings of the paper guide elements displaceably mesh via their teeth in order to thus form a variable-width paper guide cylinder.

REFERENCES:
patent: 2113579 (1938-04-01), Dybvig
patent: 2393471 (1946-01-01), Johnson
patent: 3799313 (1974-03-01), Shevick
patent: 3877368 (1975-04-01), Madigan
patent: 4358039 (1982-11-01), Buzzell
patent: 4971896 (1984-09-01), Milane, Jr.

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