Valves and valve actuation – With means for blocking or disabling actuator – Latch manipulator mounted on handle or stem
Patent
1974-09-03
1976-01-13
Klinksiek, Henry T.
Valves and valve actuation
With means for blocking or disabling actuator
Latch manipulator mounted on handle or stem
251309, F16K 3504
Patent
active
039319547
ABSTRACT:
An improved petcock for controlling the flow of a liquid from a container. The petcock includes a housing comprising an inlet and outlet passage joined at their inner ends by a frusto-conic valve chamber opening external of the housing through a circular passageway. A valve member shapped to conform to the walls defining the valve chamber and circular passageway and positioned therein so as to provide sliding contact therewith when the valve member is selectively rotated. The valve member includes a bore through its base portion for passing liquid when aligned with the inlet and outlet passage and restricting fluid flow when misaligned. Sealing means is provided for sealing the housing to the tank, between a portion of the valve member and the valve chamber and between the circular portion of the valve member and an outer housing cover. Locking means is provided to selectively lock the valve member in either an "on" or "off" selected position. Bias means is provided to force the valve member into seating arrangement with the valve chamber and hold the locking means in lock position.
REFERENCES:
patent: 1240586 (1917-09-01), McDowell
patent: 2081464 (1937-05-01), Stewart
patent: 3200836 (1965-08-01), Trefil et al.
Gilliam Frank D.
Klinksiek Henry T.
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