US PATENT SUBCLASS 83 / 620
.~.~.~ Plural distinct cutting edges on same support

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
613  DF  .~ With simple rectilinear reciprocating motion only {13}
618  DF  .~.~ Plural tools with same drive means {2}
620.~.~.~ Plural distinct cutting edges on same support {2}
621  DF  .~.~.~.~> Concentrically mounted
622  DF  .~.~.~.~> Successively acting

DEFINITION

Classification: 83/620

(under subclass 618) Apparatus wherein there is more than one tool on one of the tool supports.

SEE OR SEARCH THIS CLASS, SUBCLASS:

599, for plural tools on a single oscillating arm or tool holder.