US PATENT SUBCLASS 91 / 19
.~ Diverse paths used to control extent of working member travel


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

6  DF  FLUID SUPPLY THROUGH DIVERSE PATHS TO SINGLE EXPANSIBLE CHAMBER {12}
19.~ Diverse paths used to control extent of working member travel


DEFINITION

Classification: 91/19

(under subclass 6) Apparatus in which the supply of motive fluid to a working chamber of the motor through one path is effective to cause the working member to move to a given position or within a given limited range and then stop and the supply to said working chamber through a second path is effective to move the working member to a different position or through a different limited range and then stop.

SEE OR SEARCH THIS CLASS, SUBCLASS:

357, for expansible chamber motor in which the stop position of the working member is controlled by selectively venting any of a number of exhaust ports.