Patents Assigned to Leslie H. Garlinghouse
  • Fail safe liquid power device
    Patent number: 4085587
    Abstract: A fluid power device such for example as one for opening and closing clam shell gates is operated by a ram under fluid pressure. A tank is provided for storing fluid under pressure and by a system of valving extension of the ram, as for a gate opening operation is inhibited until enough fluid under pressure is stored in the tank to assure completion of reverse operation of the ram to close the gates.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: April 25, 1978
    Assignee: Leslie H. Garlinghouse
    Inventor: Ronald E. Garlinghouse