US PATENT SUBCLASS 91 / 318
.~.~ Motive fluid build-up at end of working stroke reverses distributor


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}
318.~.~ Motive fluid build-up at end of working stroke reverses distributor


DEFINITION

Classification: 91/318

(under subclass 281) Apparatus in which the reaching of the terminus of a stroke of the output motor working member results in increase of pressure in the working chamber due to continued supply of motive fluid without working member movement, the increase of pressure in the working chamber causing the distributor motor to shift the distributor to reverse the direction of movement of the output motor working member.