(under subclass 640) Gearing mounted on a pivotal support to permit the driving and driven gears of a gear train to be
pivotally moved relative to each other in a single plane without permitting a change of speed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17, for washer and wringer mechanisms.
353, and 354, for pivoted carriage type interchangeably locked gearing.
SEE OR SEARCH CLASS
464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts, appropriate subclasses for a coupling between a shaft and a driven member which facilitates relative movement of the shaft with respect to the member. 474, Endless Belt Power Transmission Systems or Components, particularly
58+, for a belt and pulley drive system wherein an output pulley is selectively shiftable to different power output locations relative to an input pulley.
