US PATENT SUBCLASS 408 / 82
.~.~.~.~ Engaging surface axially advanced of tool-action

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

72 R  DF  WITH WORK-ENGAGING STRUCTURE OTHER THAN TOOL OR TOOL-SUPPORT {13}
79  DF  .~ Frictionally engaging sides of opening in work {1}
80  DF  .~.~ Opening coaxial with tool {2}
81  DF  .~.~.~ Engaging sides of opening being enlarged by tool {2}
82.~.~.~.~ Engaging surface axially advanced of tool-action

DEFINITION

Classification: 408/82

(under subclass 81) Device wherein the work-contacting structure is adapted to contact the wall of the passageway at a point that will be later subjected to the cutting action if the tool is allowed to continue to progress.