US PATENT SUBCLASS 408 / 172
.~.~.~.~ Annular wedge-collar

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}
172.~.~.~.~ Annular wedge-collar

DEFINITION

Classification: 408/172

(under subclass 158) Device wherein said mechanism for displacing the tool comprises a ring member concentric with the tool-axis embracing the tool, adapted for movement along

the tool-axis relative to the tool-sustaining structure to contact the tool with an inclined surface on the ring member and move the tool radially.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163+, for similar structure wherein the ring member is displaced by a helically- ribbed element.