.~ One working member oppositely biased by another
DEFINITION
Classification: 91/172
(under subclass 170) Apparatus having a working member urged in one direction by motive fluid acting thereon and urged in an opposing direction by a second working member having motive fluid simultaneously supplied thereto and which is movable relative thereto; e.g., by engagement through separable abutment surfaces or by connection by a transmission or linkage means or indirectly through a body of interposed fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
411, for patents showing similar organizations where the working members are connected to move as a unit so as to preclude relative motion.
