Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Reexamination Certificate
2008-04-08
2008-04-08
Carone, Michael J. (Department: 3641)
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
C124S074000, C124S076000
Reexamination Certificate
active
07353816
ABSTRACT:
The object of the present invention is to improve shooting precision by causing a bullet to be fired before retreating of the slide commences, which is a problem in related art 3. An air gun of the present invention comprises; a slide, a barrel, a cylinder portion, a hit pin, a hollow valve pin chamber, a valve body, a gas supply port, a valve pin, a pressing section, a bullet feed nozzle link connected to a trigger; and a bullet feed nozzle,when the hit pin is pressed to the muzzle side and made to slide to the muzzle side, the valve pin slide to the muzzle side against urging force to release an airtight state between the valve pin flange section and the gun rear end side side surface of the valve pin chamber, compressed gas supplied to the valve pin chamber from the gas supply port is supplied from between the valve pin chamber gun rear end side side surface and the valve pin flange section to the valve pin chamber side opening, and a bullet is fired from the muzzle by passing compressed gas through the bullet feed nozzle insertion section a supplying to the muzzle side of the bullet feed nozzle, andcompressed gas supplied from the valve pin chamber side opening is supplied from a clearance between the pressing section and through holes into which the pressing section is inserted to the gun rear end side to cause the cylinder section to move to the gun rear end side.
REFERENCES:
patent: 2817328 (1957-12-01), Gale
patent: 5476087 (1995-12-01), Kunimoto
patent: 6026797 (2000-02-01), Maeda et al.
Maeda Tetsuo
Maeda Yoshiyuki
Carone Michael J.
Klein Gabriel J
Maruzen Company Limited
Rader & Fishman & Grauer, PLLC
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