US PATENT SUBCLASS 408 / 193
.~.~.~ Including central tool axially movable relative to support

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

186  DF  TOOL-SUPPORT WITH MEANS TO PERMIT POSITIONING OF THE TOOL RELATIVE TO SUPPORT {5}
189  DF  .~ Tool having stepped cutting edges {3}
191  DF  .~.~ Including means to permit relative axial positioning of edges {2}
193.~.~.~ Including central tool axially movable relative to support

DEFINITION

Classification: 408/193

(under subclass 191) Device wherein one of the cutting-edges is at the tool-axis and wherein manually-operated securing means allows the tool-element that supports that cutting edge to assume various positions along the tool-axis.