Advancing material of indeterminate length – Means to engage longitudinally spaced modifications in material – Pins on flexible belt or chain
Patent
1976-11-12
1978-05-09
Schacher, Richard A.
Advancing material of indeterminate length
Means to engage longitudinally spaced modifications in material
Pins on flexible belt or chain
226115, B65H 1742
Patent
active
040882560
ABSTRACT:
A device for printing data on a paper chart which is provided on both sides with a perforation track. The device comprises at least one pair of tractors, one of which engages in the one perforation track while the other engages in the other perforation track so as to transport the paper chart along the printing location. The device furthermore comprises a paper guide for guiding the paper after its departure from the tractors. A paper drawing device is arranged substantially at the end of the guide and is coupled to the drive system for the tractor pair by way of an elastic transmission.
REFERENCES:
patent: 3447729 (1969-06-01), Cass
patent: 3583618 (1971-06-01), Lewis
patent: 3800992 (1974-04-01), Yamagishi
Bijkerk Egbertus N.
Potma Theodorus G.
Quirijnen Marius
Schacher Richard A,.
Smith Robert S.
Trifari Frank R.
U.S. Philips Corporation
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