.~.~ Parallel laterally spaced relatively movable pumping members
DEFINITION
Classification: 417/539
(under subclass 521) Apparatus comprising two or more pumping
members which are capable of or constrained to move relative to each other, the longitudinal axis of one of said pumping members being spaced from and parallel to the longitudinal axis of another of said pumping members.
SEE OR SEARCH THIS CLASS, SUBCLASS:
269, for three or more pump cylinders arranged in parallel relationship with a rotary transmission axis.
529, for parallel laterally spaced valved pumping members.
533, for spaced parallel pumping chambers having a common discharge conduit or chamber spaced therebetween in which the pumping members may have relative motion.
