Foam spray head assembly
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United States of America Patent
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Oct 22, 2013
Issued Date -
N/A
app pub date -
May 28, 2012
filing date -
May 28, 2012
priority date (Note) -
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Abstract
A foam spray head assembly includes a push head, a mounting member, a netted member, an air valve, a main plunge, a piston unit, a rod unit, a resilient member, a cylinder unit and a valve. The netted member has a first net and a second net. The air valve has a first groove and a second groove. The main plunge has a first plunge and a second plunge. The first plunge is located in the second groove and defines a first chamber. The piston unit has a first piston and a second piston. The rod unit extends through the main plunge. The resilient member is mounted to the second plunge. The cylinder unit has a first cylinder and a second cylinder. The first piston is movable in the first cylinder and forms a second chamber. The second piston is movable in the second cylinder and forms a third chamber.
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