Compressed-gas guns

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F41Weapons F41BWEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE WEAPONS NOT OTHERWISE PROVIDED FOR

F41B11/00Compressed-gas guns

F41B11/50Magazines for compressed-gas guns Arrangements for feeding or loading projectiles from magazines F41B11/51the magazine being an integral, internal part of the gun housing F41B11/52the projectiles being loosely held in a magazine above the gun housing F41B11/53the magazine having motorised feed-assisting means F41B11/54the projectiles being stored in a rotating drum magazine F41B11/55the projectiles being stored in stacked order in a removable box magazine, rack or tubular magazine F41B11/56the magazine also housing a gas cartridge F41B11/57Electronic or electric systems for feeding or loading F41B11/60characterised by the supply of compressed gas F41B11/62with pressure supplied by a gas cartridge F41B11/64having a piston effecting a compressor stroke during the firing of each shot F41B11/641the piston being hand operated F41B11/642the piston being spring operated F41B11/643the piston being arranged concentrically with the barrel F41B11/644having an additional slidable mass moving in the opposite direction to the piston F41B11/645the slidable mass being a compressor piston F41B11/646Arrangements for putting the spring under tension F41B11/647by a rocker lever F41B11/648in breakdown air guns F41B11/66having deformable bellows or chambers pressed during firing F41B11/68the gas being pre-compressed before firing F41B11/681Pumping or compressor arrangements therefor F41B11/682Pressure accumulation tanks F41B11/683operated by a rocker-lever system F41B11/684in breakdown air guns F41B11/70Details not provided for in F41B11/50 or F41B11/60 F41B11/71Electric or electronic control systems F41B11/72Valves Arrangement of valves F41B11/721for regulating gas pressure for both firing the projectile and for loading or feeding F41B11/722for regulating gas pressure for loading or feeding only F41B11/723for regulating gas pressure for firing the projectile only F41B11/724for gas pressure reduction F41B11/73Sealing arrangements Pistons F41B11/80specially adapted for particular purposes F41B11/81for ejecting powder F41B11/83for launching harpoons F41B11/85for launching hypodermic projectiles F41B11/87for industrial purposes F41B11/89for toys