US PATENT SUBCLASS 83 / 590
.~ Tool return mechanism separate from tool advance mechanism

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
590.~ Tool return mechanism separate from tool advance mechanism

DEFINITION

Classification: 83/590

(under subclass 523) Device in which means other than that which drives the cutter into the work is provided specifically for the purpose of withdrawing the cutter from the work.