US PATENT SUBCLASS 91 / 536
.~ Single valve for relatively movable working members

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

508  DF  PLURAL RELATIVELY MOVABLE OR RIGIDLY INTERCONNECTED WORKING MEMBERS {11}
536.~ Single valve for relatively movable working members

DEFINITION

Classification: 91/536

Single valve for relatively movable working members:

(under subclass 508) Apparatus wherein at least two of the working members are relatively movable and have their movements controlled by a common valve arrangement.