US PATENT SUBCLASS 408 / 102
.~.~ Tool having screw-thread engaging frame to cause infeed

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  DF  .~ Having tool-opposing, work-engaging surface {8}
102.~.~ Tool having screw-thread engaging frame to cause infeed

DEFINITION

Classification: 408/102

(under subclass 87) Device including a helically ribbed tool or tool-support adapted to interfit with nonrotating structure of the frame of the machine supporting the entire assemblage so that the tool moves axially relative to the nonrotating structure and the work-engaging structure as it rotates to perform a cutting function.

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, for similar structure lacking work-engaging means in addition to the tool.