.~ Cutting edges relatively longitudinally movable during operation
DEFINITION
Classification: 175/381
(under subclass 327) Apparatus in which the bit is provided with a plurality of cutter elements or cutting edges which elements or edges are connected to the bit in such a manner as to permit axial movement of one cutter element or cutting edge relative to another during normal operation of the bit.
SEE OR SEARCH THIS CLASS, SUBCLASS:
319, and the search there noted for other devices having relatively moving plural cutting edges.
