.~.~.~ Unitary or interconnected elements form inlet or discharge distributors for plural chambers
DEFINITION
Classification: 417/524
(under subclass 523) Apparatus in which said valve means in the pumping members comprises either (1) a single rigid unitarily movable valve member which moves from one position to another to alternately control the inlet to or discharge from said two or more chambers or (2) relatively movable inlet or discharge valve members which are mechanically interrelated in a manner such that movement of an inlet or discharge valve member for one pump chamber necessitates movement of an inlet or discharge valve member, respectively, for another pump chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
512, for a single mechanically actuated distributor element located within or carried by a pump piston which controls pump fluid inlet to or discharge from plural pump chambers.
