(under subclass 50) Apparatus including means for supporting a first cutting tool for movement through more than 360 deg. during cutting and including means for supporting a second cutting tool for movement through more than 360 deg. during cutting, wherein the first and second cutting tools are relatively movable as assembled in the apparatus.
(1) Note. A first cutting bit and a second cutting bit mounted on the same cutting tool holder are considered to be two edges of the same cutting tool rather than plural cutters.
SEE OR SEARCH THIS CLASS, SUBCLASS:
40, for use of plural rotary cutters to generate gear teeth.