US PATENT SUBCLASS 91 / 190
.~.~ Changeable to plural self-controlled working members

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

170 R  DF  RELATIVELY MOVABLE WORKING MEMBERS WITH ONE HAVING MOTIVE FLUID CONTROLLED BY, MOVABLY INTERCONNECTED WITH OR MOVED BY ANOTHER {12}
189 R  DF  .~ Position of one working member controls motive fluid for another {3}
190.~.~ Changeable to plural self-controlled working members

DEFINITION

Classification: 91/190

(under subclass 189) Apparatus having plural working members at least one of which actuates control valve means for another working member and in which means are provided to disassociate said control valve means from said one working member and connect it for operation by the working member which it controls to thereby provide plural self-controlled working members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54+, for expansible chamber motors which are convertible from one type of valve operation to another by disassembly or reassembly in which parts are removed or added or reconnected rather than adjusted for this purpose.