US PATENT SUBCLASS 408 / 169
.~.~.~.~.~.~ Interfitting, tool-retaining wedge

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

146  DF  TOOL-SUPPORT WITH MEANS TO MOVE TOOL RELATIVE TO TOOL-SUPPORT {1}
147  DF  .~ To move radially {4}
153  DF  .~.~ Moving means including wedge, screw or cam {7}
158  DF  .~.~.~ Axially slidable moving-means {4}
161  DF  .~.~.~.~ Screw driven wedge or cam {3}
168  DF  .~.~.~.~.~ Traveling wedge {2}
169.~.~.~.~.~.~ Interfitting, tool-retaining wedge {1}
170  DF  .~.~.~.~.~.~.~> Including separable interfitting element

DEFINITION

Classification: 408/169

(under subclass 168) Device wherein the axially- movable mandrel is shaped to conform to the shape of the tool so that a portion thereof interdigitates with a portion of the tool to restrict relative motion therebetween to motion along the tapered surface of the mandrel.