(under subclass 119) Abrading machine wherein the abrading tool has a radial or flat face normal to the axis about which it turns.
(1) Note. In this subclass are collected patents in which the reciprocating motion of the tool is other than a simple rectilinear or rocking reciprocation in a single plane.
SEE OR SEARCH THIS CLASS, SUBCLASS:
158+, 259+, 353, 359, and 548+, for other rotary abrading disk tools.
SEE OR SEARCH CLASS
409, Gear Cutting, Milling, or Planing,
64+, for milling generally and subclasses 288+ for planing generally.
