WARNING DEVICE AGAINST FILTER MATERIAL BLOCKING FOR AQUARIUM
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Mar 29, 2008
filing date -
Mar 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A warning device against blocking of filter material for an aquarium, it mainly has a receiving case having therein a battery chamber for receiving at least a battery, and having a triggering switch electrically connecting with an indicating lamp installed in the receiving case; and the warning device has a detector which has a link mechanism, one end of the link mechanism is connected with the triggering switch, the other end is provided with a float bowl extending into the filter tank of the aquarium to detect the level of water. When in blocking, the water level rises to raise the float bowl to actuate the triggering switch to turn on the indicating lamp, thus a warning effect is obtained.
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