Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Patent
1997-02-24
1998-08-11
Ricci, John A.
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
124 73, 251 76, 251176, 251321, F41B 1132, F16K 100, F16K 112, F16K 3156
Patent
active
057913285
ABSTRACT:
A valve, especially for use in a paintball gun which includes a pressure chamber bore for receiving gas from a source, an exhaust bore which leads to a barrel, and a valve chamber bore between the pressure chamber bore and exhaust bore. The valve includes a body mounted in the valve chamber bore with a flow path between the pressure chamber and exhaust bores, and a cupseal seat on the upstream side of the flow path. A valve stem passes through a portion of the flow path and is slidably supported by a support nose, and presents an actuation surface at one end, and supports a cupseal to mate with the seat at the other end. The cupseal has radial guide legs to closely and slidably contact the pressure chamber bore to aid alignment. The cupseal will normally be held against the seat by gas pressure and/or a spring; to open the valve, the gun may be provided with a hammer which is released to strike the actuation surface of the valve stem, to unseat the cupseal and allow gas to flow into the barrel.
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patent: 5363834 (1994-11-01), Stuchlik
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