Low-cost, in-line trigger operated pump sprayer
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United States of America Patent
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Issued Date -
Nov 11, 2004
app pub date -
May 3, 2004
filing date -
May 8, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A low-cost, in-line trigger actuated pump sprayer has a pump body which may have an integral container closure and/or integral shroud cover with a trigger lever trunnion mounted to the pump body or with a trigger lever assembly mounted to the pump body as including a living hinge. A hollow pump piston defines a discharge passage lying perpendicular to the central axis of the closure, and an elastomeric element may be provided with functions as a piston return spring, inlet check valve and discharge check valve.
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