| 摘要 |
PROJECTILE LAUNCHER A projectile launching device is disclosed herein having, in its simplest form, a single elongated launching tube or barrel, onto the rearward end of which is pivotally mounted a lever assembly having a latch member and a release member coupled to one another about the pivot. The release member extends across the rearward end of the barrel and the latch member extends forwardly along the barrel. The barrel is open at its forward end to receive a shaftlike projectile. A hook is carried at the forward end of the latch member to protrude through a slot radially into the barrel for engagement with a tab on the projectile shaft. A spring, housed inside the barrel, rests against the release member of the lever assembly such that when a projectile is inserted into the barrel it compresses the spring against the release member and pivots the lever assembly to force the hook into the barrel and into engagement with the projectile tab, thereby preventing the spring from ejecting the projectile from the barrel. A trigger operated hammer as might be found in a conventional firearm is pivotally coupled to a barrel supporting frame to allow the hammer's striking surface to strike the release member at the rearward end of the barrel to pivot the lever assembly to a releasing position which disengages the hook from the tab on the projectile, allowing the spring to launch the projectile from the barrel.
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