Multiposition tractor lid

Details Multiposition tractor lid Multiposition tractor lid

1987-09-08

1988-08-23

Werner, David

Advancing material of indeterminate length

Means to engage longitudinally spaced modifications in material

Pins on flexible belt or chain

4006162, 16361, G03B 130, E05D 1506

Patent

active

047655232

ABSTRACT:
A document feed tractor has a multiposition lid which is held by projections from the frame of the tractor in open position to enable loading of the perforated document (paper) in the tractor. The lid is pivotally mounted in openings in the projections which enable lid to be both rotated and translated from the open position over the projections, which then define ledges holding up the lid, to closed position when the lid is moved over the edges of the ledges. Then, the lid can snap down under a spring bias to the closed position where it confines the document on the tractor belt.

REFERENCES:
patent: 2478529 (1949-08-01), Farr et al.
patent: 2566915 (1951-09-01), Young
patent: 2666946 (1954-01-01), Miller
patent: 2704063 (1955-03-01), Young

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