Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Reexamination Certificate
2008-04-10
2009-12-08
Johnson, Stephen M (Department: 3641)
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
Reexamination Certificate
active
07628148
ABSTRACT:
A shooting mechanism of a paint ball gun includes a valve located in the air tube of the gun and the valve is composed of a first member and a second member. A piston rod movably extends through the valve. The first member includes a shoulder extends radially and inward from an inner periphery of the first member. An aperture is defined in communication between the shoot tube located above the air tube and the first member. A piston head is connected to an end of the piston rod and removably seals the space, the other end of the piston rod is hit the strike rod. A flange extends radially outward from the piston rod and located between the shoulder and an inner end of the second member. The flange can be stopped by the shoulder of the first member when the piston rod is hit by the strike rod.
REFERENCES:
patent: 6553983 (2003-04-01), Li
patent: 2006/0037597 (2006-02-01), Wood
Gan Yao-Gwo
Johnson Stephen M
Shia Banger
Tillman, Jr. Reginald
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