One turn actuated duration spray pump mechanism
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United States of America Patent
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Aug 16, 2016
Issued Date -
N/A
app pub date -
Mar 25, 2014
filing date -
Apr 4, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A power assembly that can obtain duration discharge of product upon a single turn of an actuator sleeve to pressurize product and ready it for dispensing. The assembly includes a piston carried by a piston housing for reciprocation in a cylinder cup having a pump chamber. The actuator sleeve is connected through a clutch disc to a drive screw that is connected to reciprocate the piston housing and piston when the actuator sleeve is rotated. The clutch disc is operative to first disengage the actuator sleeve from the drive screw and then move a stem valve to an open position when an actuator is depressed to dispense product. The power assembly can be used with various energy storage devices such as springs, gases or elastics to exert pressure on product to be dispensed when the actuator is turned.
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