(under subclass 325) Transmission in which the change of speed from the drive shaft to the driven shaft may be through a selected one of a plurality of counter shafts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
333, for combined gear and clutch type interchangeably locked gearing.
343, for selective, longitudinally slidable direct clutch and drive type interchangeably locked gearing.
359, for selective, multiple clutch shaft, interchangeably locked gearing.
373+, for selective, single clutch shaft, interchangeably locked gearing.