US PATENT SUBCLASS 408 / 87
.~ Having tool-opposing, work-engaging surface

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}
87.~ Having tool-opposing, work-engaging surface {8}
88  DF  .~.~> Tool having shiftable tool-axis
89  DF  .~.~> Angularly adjustable surface {1}
91  DF  .~.~> Laterally adjustable surface
92  DF  .~.~> Flexible or concatenated member
93  DF  .~.~> Connected to tool through opening being enlarged by tool {1}
95  DF  .~.~> With presser foot {3}
99  DF  .~.~> With means to move tool relative to other work-engaging structure along tool-axis {1}
102  DF  .~.~> Tool having screw-thread engaging frame to cause infeed

DEFINITION

Classification: 408/87

(under subclass 72) Device wherein the work-contacting structure is positioned to contact the work on the side

directly opposite the side initially engaged by the operating cutting tool such that the work-contacting structure tends to resist movement of the work away from the tool, along the tool-axis during the cutting operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52, for a tool-opposing, work-engaging surface that is part of a structure of this class including a plurality of tools.