US PATENT SUBCLASS 83 / 191
.~.~ Internal tool is an active cutter

Current as of: June, 1999
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83 /   HD   CUTTING

178  DF  BY TOOL INSIDE HOLLOW WORK {9}
188  DF  .~ One tool having only rectilinear motion(s) {3}
191.~.~ Internal tool is an active cutter

DEFINITION

Classification: 83/191

(under subclass 188) Means, wherein the tool inside the hollow work moves in effecting the cut.

SEE OR SEARCH THIS CLASS, SUBCLASS:

179, for means including internal tool(s) prepacked in work.

186, and 189+, for annulus and disc type tool pair, of which the internal disc tool may be active.