(under subclass 361) Apparatus in which (1) one or more of the spaced supporting devices for the cross axle are readily detachable from the bit head to release the axle or (2) the bit head consists of plural mating sections which are readily detachable from each other to release the cross axle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
346, for a rolling cutter element journaled on a longitudinal axle, which axle is supported at spaced points by readily removable supporting devices.
357, and 366, for similar detachable supports for circumferentially displaced cutter axles and for stub axles, respectively.
