(under subclass 178) Abrading machine in which the abrading tool is mounted for bodily movement in an orbit, as well as for rotation on its own axis.
SEE OR SEARCH THIS CLASS, SUBCLASS:
135, and 271, for other tools having planetary motion.
SEE OR SEARCH CLASS
409, Gear Cutting, Milling, or Planing,
122, wherein the cutting tool is supported for rotation about its axis and for relative arcuate translatory movement about the circumference of the workpiece.