US PATENT SUBCLASS 83 / 631
.~.~.~ Screw actuated tool support

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
613  DF  .~ With simple rectilinear reciprocating motion only {13}
627  DF  .~.~ Tool driver movable relative to tool support {7}
631.~.~.~ Screw actuated tool support

DEFINITION

Classification: 83/631

(under subclass 627) Apparatus wherein the tool or tool holder is either internally or externally threaded and is driven by a mating threaded driver.