US PATENT SUBCLASS 418 / 35
.~ Each a working member

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

33  DF  INTERMITTENTLY ACCELERATED AND RECEDING MEMBERS ROTATE IN SAME PATH (ALTERNATING PISTON TYPE) {2}
35.~ Each a working member {3}
36  DF  .~.~> Working member movement controlled by interengaging rotating members
37  DF  .~.~> Working member movement controlled by member rotating about parallel axis
38  DF  .~.~> Cam controlled working member movement

DEFINITION

Classification: 418/35

(under subclass 33) Apparatus in which each one of the rotatable members produces work.