Trace cutter for roll material

Details Trace cutter for roll material Trace cutter for roll material

1986-07-22

1989-08-22

Yost, Frank T.

Severing by tearing or breaking

Severing by manually forcing against fixed edge

Blade mounted on hand-held wound package

225 65, 225 91, B65D 85672

Patent

active

048588075

ABSTRACT:
A device for cutting sheet material wound in a cylindrical roll includes a blade member having a cutting edge extending the length thereof, and positioning means extending from the roll of sheet material to the blade member for positioning the blade parallel to the axis of the roll. The positioning means includes a portion thereof distal with respect to the blade in rolling engagement with a surface of the roll to align the roll axis and the cutting edge. In one embodiment, an arm extends from each end of the blade to the roll and a pin protrudes from the arm inside the roll to bear against the inner surface thereof. A bearing, which may be bushing of a diameter substantially less than an inner diameter of the roll, rotates on the pin so that the blade is pendulously suspended from the inner surface of the roll. Graduations are provide on one or both sides of the blade member, and methods are disclosed for using the blade member as a drafting instrument to measure, and to draw horizontal and vertical lines.

REFERENCES:
patent: 963001 (1910-06-01), Dibrell
patent: 2732145 (1956-01-01), Serrone
patent: 3070273 (1962-12-01), Warp
patent: 3679110 (1972-07-01), Stine
patent: 4252258 (1981-02-01), Plummer, III
patent: 4358328 (1982-11-01), Pearson
patent: 4445645 (1984-05-01), Byer

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