Patent ID: 7775405

Claim:
A sprayer for spraying a fluid from a fluid source, comprising: a) a compression chamber having an opening; b) a fluid intake; c) a one-way valve between said fluid intake and said opening in said chamber; and d) a discharge valve assembly in communication with said compression chamber, including i) a valve chamber having a rear entry, an exit, and a longitudinal axis, and ii) an element integrally formed to include a poppet valve and a spring, said poppet valve provided with a central seal cone and a chevron and biased by said spring to seat against said rear entry of said valve chamber and said spring including more than one form each having a first section extending parallel to the longitudinal axis as well as second and third sections that extend radially inward from opposed ends of the first section toward one another, wherein when said fluid intake is in fluid communication with the fluid source and said compression chamber is expanded, the one way valve opens and the fluid from the fluid source is drawn through said fluid intake and into said compression chamber through said opening, and when said compression chamber is compressed, the one way valve is closed and the fluid is forced through the discharge valve assembly and out of said exit of said valve chamber.