US PATENT SUBCLASS 408 / 86
.~.~ Recession at tool-axis

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

72 R  DF  WITH WORK-ENGAGING STRUCTURE OTHER THAN TOOL OR TOOL-SUPPORT {13}
85  DF  .~ Adapted to "form" recession in work {1}
86.~.~ Recession at tool-axis

DEFINITION

Classification: 408/86

(under subclass 85) Device wherein the work-contacting structure penetrates the work-surface at the tool-axis*.