Patent ID: 7784455

Claim:
A grenade comprising: at least one spiral launch tube having a breech end and a muzzle end; a plurality of projectiles loaded in said launch tube between the breech and muzzle ends, and a pressure supply coupled to the breech end of the launch tube for propelling the projectiles from the muzzle end of the launch tube wherein the pressure supply comprises a gas reservoir for storing compressed gas, and further comprising a valve interposed between the reservoir and the breech end of the launch tube for controlling the flow of compressed gas from the reservoir to the breech end of the launch tube, the valve moveable between a closed state and an open state wherein said compressed gas enters the breech end of the launch tube to propel the projectiles from the muzzle end, and further comprising a trigger mechanism coupled to the valve, the trigger mechanism operating between a locked state wherein the trigger mechanism keeps the valve in its closed state and an unlocked state wherein the valve is free to move into its open state, and further comprising a delay mechanism coupled to the valve for delaying the movement of the valve into its open state.