US PATENT SUBCLASS 408 / 155
.~.~.~.~ With spring retainer

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}
154  DF  .~.~.~ With resiliently urged tool {2}
155.~.~.~.~ With spring retainer

DEFINITION

Classification: 408/155

(under subclass 154) Device wherein said tool is inwardly urged against the displacing means by an annular,

tool-encompassing, resilient means which restrains said tool against radial expansion.