(under subclass 92) Apparatus including means (e.g., gearing, linkage or cam) for modifying the direction, location or advantage relationship of simple mechanical motion, said means being drivingly interposed between the motor and the tool.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170+, and the search there noted for other mechanical motion converting means.
319, for below ground mechanical motion converting means relatively moving plural cutting edges.
