发明名称 Spring assist for launch from compressed gas gun
摘要 The present invention is a specially curved discharge port and port within a bolt within the breech for a compressed gas powered gun for the firing of projectiles. The invented gun has many improvements over the prior art including the use of improved gas pressure routing allowing for operation at lower pressures with no decrease in firing rate, efficiency, trajectory, or range. The structure of the present invention provides for embodiments which include the use of specific maximum angles within the gas passage from a compressed gas storage chamber and a portion of the breech through which the gas is routed as it expands to launch a projectile from the gun.
申请公布号 US2004144377(A1) 申请公布日期 2004.07.29
申请号 US20040753640 申请日期 2004.01.08
申请人 DOBBINS JERRY 发明人 DOBBINS JERRY
分类号 F41B11/02;F41B11/32;(IPC1-7):F41B11/00 主分类号 F41B11/02
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