Parting tool for tractor feed paper
AssigneeOptimum Inc.
InventorOren M. Downing
Life of this patent
Estimating the term…
Abstract
A parting tool is attached to a tractor feed mechanism for separating the guide strip from the tractor feed paper as the paper passes through the mechanism. The parting tool includes a blade intersecting the plane of the paper for shearing the paper along the perforations connecting the guide strip to the sheets of paper.
Claims9
A parting tool for separating a guide strip from paper used in printers having a tractor feed mechanism for moving said paper, said tractor feed mechanism including a cover for holding said paper in a plane as said paper is moved through said tractor feed mechanism, the parting tool comprising:
- an elongated blade, extending in a direction approximately parallel to the direction said paper is moved, for pushing said guide strip out of said plane to tear said guide strip from said paper;
- and
- at least two hooks attached to said blade for removably connecting said blade to said cover.
A tractor feed mechanism for moving paper past a printing mechanism, said paper having a guide strip on each side along the length thereof, said tractor feed mechanism including a drive bar and first and second guides attached to said bar at separate locations along said drive bar, wherein each of said guides includes:
- a sprocket drive for engaging a guide strip to move said paper through the guide in a predetermined direction, wherein said sprocket drive holds said paper in a plane;
- a blade for tearing a guide strip from said paper by pushing said guide strip out of said plane as said paper moves through said guide, wherein said blade
- (i) is elongated in a direction approximately parallel to the direction said paper is moved;
- (ii) includes a slot and said guide includes a pin through said slot for pivotally attaching said blade to said guide;
- and
- (iii) can pivot and move between
- (a) a first position for removing said guide strip, wherein a portion of said blade extends through said plane, and
- (b) a second position for not removing said guide strip wherein said portion does not extend through said plane.
Dependencies are inferred from the claim text.