Switch valve having a locking effect
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United States of America Patent
Stats
-
Feb 6, 2007
Grant Date -
N/A
app pub date -
Mar 29, 2005
filing date -
Mar 29, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A switch valve includes a valve body, a control stem rotatably mounted on the valve body, a limit ring mounted on the valve body, a locking member secured on the control stem and hidden in the limit ring, and a rotation head removably mounted on the limit ring and detachably engaged with the locking member. Thus, the locking member is only rotated by rotation of the rotation head to rotate the control stem so as to open/close the water flow in the valve body, so that the switch valve has a locking effect, thereby preventing the switch valve from being opened by a person intentionally.
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Family
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