US PATENT SUBCLASS 408 / 137
.~.~ Screw coaxial with tool


Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

124  DF  MEANS TO DRIVE TOOL {5}
129  DF  .~ Including means to move tool along tool-axis {6}
137.~.~ Screw coaxial with tool


DEFINITION

Classification: 408/137

(under subclass 129) Device wherein the structure which moves relative to the tool and relative to the tool-sustaining structure for causing relocation is rotatable about an axis in alignment with the tool-axis and includes a helically disposed, inclined surface adapted to contact either the tool or tool-sustaining structure and move relative thereto to

cause relocation by a camming or wedging cooperation therewith.

SEE OR SEARCH THIS CLASS, SUBCLASS:

101, for a drive screw coaxial with the tool, combined with a tool-opposing work-engaging surface.