US PATENT SUBCLASS 408 / 164
.~.~.~.~.~.~ Axially spaced tool-retaining collars

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}
163  DF  .~.~.~.~.~ Annular wedge-collar {1}
164.~.~.~.~.~.~ Axially spaced tool-retaining collars {3}
165  DF  .~.~.~.~.~.~.~> With travelling wedge
166  DF  .~.~.~.~.~.~.~> Tool having axially facing, collar-receiving groove
167  DF  .~.~.~.~.~.~.~> Including two-piece collar

DEFINITION

Classification: 408/164

(under subclass 163) Device including a second ring member of structure and function similar to the first, which second ring member is adapted to simultaneously engage the same cutter in a different position along the tool-axis from the first ring member.