LIQUID-SUPPLY APPARATUS
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United States of America Patent
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N/A
Issued Date -
May 2, 2013
app pub date -
Oct 30, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A liquid supply apparatus (e.g., for dispensing soap, shampoo, etc.) includes a liquid storage tank and a pump module connected to the storage tank. The liquid supply apparatus further includes a suck-back module. The suck-back module includes a chamber formed by a piston cover disposed at an end of a cylinder, a piston rod having a first end disposed in the chamber and a second end configured to extend through an opening in the piston cover, and a plug disposed in the chamber and connected to the first end of the piston rod.
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