×

Gas line safety shut off device

  • US 2,710,666 A
  • Filed: 07/27/1953
  • Issued: 06/14/1955
  • Est. Priority Date: 07/27/1953
  • Status: Expired due to Term
First Claim
Patent Images

1. A GAS LINE SAFETY SHUTOFF VALVE DEVICE COMPRISING AN ELONGATED VERTICAL CYLINDRICAL HOUSING HAVING A CHAMBER THEREIN AND A GAS INLET OPENING INTERMEDIATE THE ENDS THEREOF AND A GAS OUTLET OPENING AT THE UPPER PORTION THEREOF ABOVE THE GAS INLET OPENING, A VALVE SEAT SUPPORTING TUBE CONNECTED TO SAID HOUSING HAVING A PASSAGEWAY OPENING TO THE OUTLET OPENING AND EXTENDING DOWN INTO THE CHAMBER OF SAID HOUSING, A SECOND TUBE CONNECTED TO SAID HOUSING AND DEPENDING INTO THE HOUSING CHAMBER EXTERNALLY OF THE FIRST MENTIONED VALVE SEAT PROVIDING TUBE AND SPACED THEREFROM AND DEFINING A CHAMBER EXTENDING TO A POINT BELOW THE VALVE SEAT TUBE, MEANS CLOSING THE LOWER END OF SAID SECOND TUBE, THE SECOND TUBE HAVING INLET PORTS THERETHROUGH OPENING INTO SAID TUBE AND THE HOUSING CHAMBER, A FLOAT IN SAID HOUSING CHAMBER BELOW SAID SECOND TUBE, A STEM UPON SAID FLOAT BEARING IN THE MEANS WHICH CLOSES THE LOWER END OF THE SECOND TUBE, SAID STEM EXTENDING INTO THE CHAMBERS OF BOTH OF SAID TUBES, AND A FLEXIBLE VALVE MOUNTED UPON SAID STEM IN THE SECOND TUBE BELOW THE VALVE SEAT TUBE.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×