Positioning device for knob of valve unit
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United States of America Patent
Stats
-
Nov 1, 2016
Grant Date -
Jun 9, 2016
app pub date -
Dec 4, 2014
filing date -
Dec 4, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve unit includes a valve body with a plate located in a tubular portion of the valve body. The tubular portion has multiple notches defined in the outside there. A knob has a space defined therein and is threadedly mounted to the tubular portion. The knob has a groove defined in the outside thereof. A first hole and a second hole are respectively defined through knob and communicate with the groove. A resilient member is engaged with the groove and two ends of the resilient member are respectively engaged with the first and second holes. A spring is biased between the plate and the knob. The contact portion is engaged with the notches to generate sounds when rotating the knob.
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