Forms feed tractor

Details Forms feed tractor Forms feed tractor

1979-07-25

1980-10-07

Gilreath, Stanley N.

Advancing material of indeterminate length

Means to engage longitudinally spaced modifications in material

Pins on flexible belt or chain

G03B 130, B65H 1738

Patent

active

042263530

ABSTRACT:
There is disclosed herein a forms feed tractor mechanism having a belt with pins and driving elements extending therethrough. The pins are adapted to engage perforated holes along the edge of a recorded medium. Driver means are provided for rotating the belt and pins and thereby rotate the engaged record medium. Also, there is provided a spring tensioner for maintaining tension on the belt. The tractor includes a door which is rotatably snapped fitted into the housing of the tractor and maintained above the plane of the record medium by an extension on the lower surface thereof.

REFERENCES:
patent: 2179156 (1939-11-01), Mabon
patent: 2286084 (1942-06-01), Hageman
patent: 3317102 (1967-05-01), Lizotte
patent: 3688959 (1972-09-01), Staneck et al.
patent: 3825162 (1974-07-01), Hubbard
patent: 3930601 (1976-01-01), Masuda
patent: 3938721 (1976-02-01), Staneck et al.
patent: 3941288 (1976-03-01), Wanat

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