Disconnection-preventing safety device for liquefied gas bottle

Details Disconnection-preventing safety device for liquefied gas bottle Disconnection-preventing safety device for liquefied gas bottle

1991-03-22

1992-09-22

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Flow path joint interlocked with valve or actuator

251 895, 251144, F16L 3728

Patent

active

051490536

ABSTRACT:
Safety device for liquefied gas bottle valves for use with a quick-coupling connector. The device is positively controlled and activated by the same control knob as the valve. The quick-coupling connector can be disconnected only when the valve is completely closed, and vice versa the valve can be opened only when the quick-coupling connector is inserted perfectly, all of which can be effected by a single fixed-amplitude rotation of nearly 360.degree. of the knob. This rotation causes synchronously both the activation of the internal dispensing valve member and the locking of the quick-coupling connector.

REFERENCES:
patent: 3628768 (1971-12-01), Hutt
patent: 3645496 (1972-02-01), Rawlins
patent: 3792834 (1974-02-01), Billeter

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