US PATENT SUBCLASS 91 / 314
.~.~.~ Working member reverses pilot through part movable relative to both

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

218  DF  CYCLICALLY OPERABLE {34}
281  DF  .~ Working member controlled motive fluid for distributor motor {12}
304  DF  .~.~ Pilot valve controlled distributor motor (461) {9}
314.~.~.~ Working member reverses pilot through part movable relative to both

DEFINITION

Classification: 91/314

(under subclass 304) Apparatus in which means transmitting cyclic motion from the output motor working member to the pilot valve includes an element moved relative to both the working member and pilot valve at least once during each cycle of operation.