.~ With supplemental or safety closing means or bias {2}
401
.~.~ Sinking or bucket type float
DEFINITION
Classification: 137/401
(under subclass 400) Apparatus in which the means sensing the liquid level is an open or bucket type float which floats to urge the valve closed, and in the event that the valve controlled thereby does not properly close the continued rise of liquid level will cause the float to fill with liquid and sink in the liquid to apply the supplemental safety closing
bias or means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
404, for other open or bucket type floats, and see the search notes thereto.
