Push-type nozzle assembly
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United States of America Patent
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Mar 18, 2014
Issued Date -
N/A
app pub date -
May 19, 2011
filing date -
May 18, 2011
priority date (Note) -
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Abstract
A push-type nozzle assembly includes a main tube, a valve, a suction unit and a push unit. The suction unit includes a push rod, a connection rod, a block and a seal sleeve. A spring is mounted between the seal sleeve and the push rod. The spring provides a force to move the block and the connection rod back and forth between the closed position and an open position. Because the spring is located outside of the push rod, the spring does directly contact the liquid which is avoided from being chemically changed.
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