US PATENT SUBCLASS 83 / 437.4
.~.~.~ Screw actuated

Current as of: June, 1999
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83 /   HD   CUTTING

401  DF  WITH MEANS TO CONVEY WORK RELATIVE TO TOOL STATION {18}
437.1  DF  .~ Rectilinear movement only {1}
437.2  DF  .~.~ Tool opposing pusher {5}
437.4.~.~.~ Screw actuated

DEFINITION

Classification: 83/437.4

Screw actuated:

(under subclass 437.2) Device wherein the movement is effected by action of the peripheral surface of a rotary, cylindrical member which includes a helical ridge or groove that interfits with a mating portion of the conveyor to effect movement thereof.