Browsing by Subject "137/625.66"

Now showing items 1-1 of 1

    • Hydraulic Signal Control Valve 

      Caywood, James A.; De Moss, Dean M.; Fitch, Ernest C.; Osborn, Ronald F.; Oklahoma State University of Agriculture & Applied Science (U.S. Patent and Trademark Office, 1968-06-16)
      This invention relates to a hydraulic valve. . . . The valve further includes detent means to insure that the valve spool, when moved from the nonactuated to the actuated position and vice-versa, moves quickly from one ...