| 摘要 |
An apparatus (10) for Launching projectiles, the apparatus (10) includes a hollow cylinder (82) and a piston (40) in sliding engagement through the hollow cylinder (82). The piston(40) is configured to drive a fluid through the hollow cylinder (82). The apparatus further includes a barrel (190, 290) defining an open end (192, 292) and a chamber (139) in fluid communication with the hollow cylinder (82). The chamber(139) is configured to receive a projectile (191) and to receive fluid driven from the hollow cylinder (82) wherein the projectile (191) is driven from the barrel (190, 290) through the open end(192,292). |
