Motors: expansible chamber type – With correlated control of motive fluid and locking means – Sequential operation of locking means and motive fluid control
Patent
1972-10-30
1976-09-14
Maslousky, Paul E.
Motors: expansible chamber type
With correlated control of motive fluid and locking means
Sequential operation of locking means and motive fluid control
92 17, 92 33, 92165PR, F15B 1526
Patent
active
039799999
ABSTRACT:
A fluid cylinder having a tubular housing with a piston reciprocably mounted therein and capable of fluid pressure actuation in opposite directions. One side of the piston carries an actuating rod which slidably extends through one end of the tubular housing, while a coaxially aligned bore extending from the opposite side of the piston and into the actuating rod has a threaded surface adapted to receive a threaded member which, in turn, is rotatably carried at the other end of the tubular housing. The threaded surfaces of the piston bore and the rotatable threaded member engage in a self-locking relationship such that the piston is incapable of movement when subjected to fluid pressure unless the threaded member is initially and continually rotated. Means are provided for selectively rotating the threaded member upon fluid pressure actuation of the piston in either direction.
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Maslousky Paul E.
Nichols, Jr. Harry S.
Powers Karen (Emenaker)
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