Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Patent
1995-11-09
1997-03-25
Reese, Randolph A.
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
124 74, 124 75, 124 70, F41B 1100
Patent
active
056134835
ABSTRACT:
A piston and cylinder assembly for a gas powered gun, has a cylinder containing a piston rod slidably movable between a loading position in which the leading end of the piston rod is in a withdrawn position, and a firing position in which the piston rod has moved forwardly. The cylinder has first and second chambers through which the piston rod extends, the cylinder being connectable to a pressurized gas supply supplying pressurized gas to the first chamber when the piston rod is in the loading position. The piston rod permits communication between the pressurized gas supply and the first chamber and prevents communication between the first and second chambers when in the loading position, and when in the firing position prevents communication between the pressurized gas supply and the first chamber and permits communication between the first chamber and the second chamber to cause pressurized gas in the first chamber to pass into the second chamber. The piston rod has a longitudinally extending passage extending from the front and rearwardly along the piston rod to a location where the passage communicates with the exterior of the piston rod. The location communicates with the second chamber when the piston rod is in the firing position to cause pressurized gas to pass from the second chamber into the longitudinally extending passage to the front end of the piston rod for propelling a projectile from the barrel of a gas powered gun.
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Hurst Roger L.
Kirwan Lee D.
Lukas Michael A.
Beach Thomas A.
Reese Randolph A.
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