Cutting system

Details Cutting system Cutting system

1983-02-18

1984-10-16

Yost, Frank T.

Cutting

Means to drive or to guide tool

Constantly urged tool or tool support

83639, 83644, 83694, B26D 508

Patent

active

044767609

ABSTRACT:
A fluid actuated cutting machine comprising a stationary lower blade and a vertically movable upper blade mounted at one end to a pivot rod. The upper blade is disposed at angle relative to the horizontal plane. The other free end of the upper blade is disposed beyond a vertical plane on which lies the cutting edge of the lower blade. A pressure arm, mounted on a cantilivered beam connected to the base of the machine, acts against any tendency for the upper blade to align its cutting edge with the cutting edge of the lower blade. During its downward movement, the upper blade is constantly drawn from its horizontally angled position relative to the lower blade towards alignment with the lower blade. This movement is resisted by the pressure arm. The resistance causes a firm cutting pressure between the two blades at the constantly moving contact point during the downward movement of the upper blade.

REFERENCES:
patent: 3151515 (1964-10-01), Suverkrop
patent: 3791248 (1974-02-01), Pearson
patent: 3793919 (1974-02-01), Lefebvre
patent: 3886828 (1975-06-01), Muller
patent: 3911775 (1975-10-01), Peason
patent: 3933070 (1976-01-01), Walters et al.
patent: 4079649 (1978-03-01), Ishii et al.

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