Open/close device of a washing tank drain system
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United States of America Patent
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Jun 25, 2013
Grant Date -
Nov 11, 2010
app pub date -
Dec 31, 2008
filing date -
Jan 10, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A open/close device of washing tank drain comprises an open/close controller having a sliding shaft and a fixed sleeve, a drain plug mechanism with an open/close function mechanism, and a connecting cable between the open/close controller and the open/close function mechanism. The open/close controller has a retaining hook to be connected with the sliding shaft. A first stop position and a second stop position, which are moveably connected with the retaining hook, are set on the surface of the sliding shaft, at different height, and the first one being closer to the head of the sliding shaft than the second one. The sliding shaft is provided with a first one-way slideway and a second one-way slideway. The open/close controller also has a spring for applying a force to the sliding shaft along the direction from the head to the tail of the sliding shaft. One end of the connecting cable is connected with the sliding shaft.
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