发明名称 Manually Powered Projectile Launcher
摘要 The present device is a projectile launcher using compressed air. The device includes a barrel adapted to receive the projectile proximate a rear end. The device further includes a cylinder, a piston, and a firing handle fixed to a rear side of the piston. A valve provides selective fluid communication between the cylinder and the barrel. A bolt rod is fixed to the valve. The valve is actuated when the piston is pushed to a front end of the cylinder and the firing handle comes into contact with the bolt rod. Air compressed within the cylinder by the piston is thereby being released into the barrel to propel the projectile from the barrel. The barrel further includes a bolt slidable within the barrel between a loading position and a firing position. The bolt is fixed to the front end of the bolt rod and includes a bolt air passageway.
申请公布号 US2009084372(A1) 申请公布日期 2009.04.02
申请号 US20080052673 申请日期 2008.03.20
申请人 TECH GROUP HONG KONG 发明人 WITZIGREUTER JOHN DOUGLAS
分类号 F41B11/00;F41A9/61 主分类号 F41B11/00
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