Vacuum-buffered bidirectional paper drive system

Details Vacuum-buffered bidirectional paper drive system Vacuum-buffered bidirectional paper drive system

1976-01-21

1977-01-04

Saifer, Robert W.

Textiles: fiber preparation

226 78, 226 85, 226195, B65H 2324, B65J 1500

Patent

active

040008037

ABSTRACT:
A printer-plotter system includes a vacuum-buffered bidirectional paper drive system for moving paper uniformly forward and backward over a sprocketed platen and sprocketed drum. The platen comprises a stationary portion with a flat region and a rotatable sprocketed portion. The platen and drum are connected by a drive belt for synchronous rotation of the drum with the sprocketed portion of the platen to assure proper contact of a print head with the flat region of the stationary portion and proper movement of paper by the sprocketed portion after printing.

REFERENCES:
patent: 3259288 (1966-07-01), Wassermann
patent: 3460158 (1969-08-01), Bravenec
patent: 3606123 (1971-09-01), Hakanson
patent: 3961335 (1976-06-01), Gordon

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