US PATENT SUBCLASS 408 / 79
.~ Frictionally engaging sides of opening in work


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}
79.~ Frictionally engaging sides of opening in work {1}
80  DF  .~.~> Opening coaxial with tool {2}


DEFINITION

Classification: 408/79

(under subclass 72) Device wherein the work-contacting structure is adapted to be received by a passageway through or a recession in the surface of the work so that the work-contacting structure may contact the wall of the passageway or the recession to stabilize a portion of the device relative to the work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93+, for a structure that passes through a passageway in the work to secure a tool-opposing, work-engaging means to the device, wherein there is no disclosure of stabilization of the structure caused by engagement with the walls of the passageway.