Tractor apparatus for feeding paper

Details Tractor apparatus for feeding paper Tractor apparatus for feeding paper

1983-03-07

1984-09-04

Christian, Leonard D.

Advancing material of indeterminate length

Means to engage longitudinally spaced modifications in material

Pins on flexible belt or chain

226170, G03B 130, B65H 1734

Patent

active

044692641

ABSTRACT:
An apparatus for feeding a paper having holes utilizes an endless belt which contains a plurality of pins which are mounted so that they are positioned to a side of an outer periphery of the endless belt. The pins fit into holes in the paper to feed the paper as the endless belt is driven by two main pulleys. An auxiliary pulley is rotatably mounted on one of the shafts which supports one of the main pulleys in such a manner that the auxiliary pulley confronts and supports the bottoms of the pins, thus preventing the pins from being deflected inward. Because the auxiliary pulley is driven with one of the main pulleys, friction between the bottoms of the pins and the auxiliary pulley is minimized.

REFERENCES:
patent: 3930601 (1976-01-01), Masuda
patent: 4130230 (1978-12-01), Seitz

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