Amalgam gun

Claim 1

AN AMALGAM GUN COMPRISING A TUBULAR BODY, A TIP MOUNTED ON THE FORWARD END THEREOF FOR DELIVERY OF AMALGAM THEREFROM, A TUBULAR TRIGGER BARREL HAVING A PORTION THEREOF SLIDABLY MOUNTED WITH SAID BODY FROM THE REARWARD END OF SAID BODY, A SLEEVE SECURED TO SAID TRIGGER BARREL WITHIN SAID BODY, A COLLET SLIDABLY MOUNTED WITHIN SAID BODY, THE REARWARD END OF SAID COLLET ADAPTED TO MATE WITH THE FORWARD END OF SAID SLEEVE, SAID COLLET BEING PROVIDED WITH A PLURALITY OF CIRCUMFERENTIALLY SPACED, INWARDLY EXTENDING TEETH ADAPTED TO BE INWARDLY DEFLECTED DURING ENGAGEMENT OF SAID COLLET WITH SAID SLEEVE, AND A PLUNGER SLIDABLY MOUNTED THROUGH SAID BODY, SAID TRIGGER BARREL, SAID SLEEVE AND SAID COLLET AND EXTENDING INTO SAID TIP, SAID PLUNGER BEING PROVIDED WITH A PLURALITY OF OUTWARDLY EXTENDING TEETH ALONG A PORTION OF THE PERIPHERAL SURFACE THEREOF, SAID TEETH ADAPTED TO BE ENGAGED BY THE TEETH ON SAID COLLET DURING INWARD DEFLECTION THEREOF, WHEREBY FORWARD MOVEMENT OF SAID TRIGGER BARREL CAUSES ENGAGEMENT OF SAID SLEEVE WITH SAID COLLET EFFECTING A GRIPPING OF SAID PLUNGER BY SAID COLLET THROUGH THE MATING TEETH TO EFFECT FORWARD MOVEMENT OF SAID PLUNGER DURING FORWARD MOVEMENT OF SAID TRIGGER BARREL AND WHEREBY REARWARD MOVEMENT OF SAID TRIGGER BARREL EFFECTS A RELEASE OF SAID COLLET TO PERMIT REARWARD MOVEMENT OF SAID TRIGGER BARREL AND COLLET WITHOUT AFFECTING THE POSITION OF SAID PLUNGER.