Trigger sprayer piston rod with integral spring and ball and socket piston connection
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United States of America Patent
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Dec 29, 2009
Issued Date -
N/A
app pub date -
Oct 16, 2006
filing date -
Mar 15, 2006
priority date (Note) -
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Abstract
A manually operated trigger sprayer is constructed with a reduced number of parts and in a novel manner in which the conventional metal coil spring is replaced with a pair of plastic bowed springs that are integral with the piston rod and the pump piston is connected to the piston rod by a ball and socket connection.
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