Parachute pack and pack opener

Claim 1

IN COMBINATION, A DEVICE TO BE AIR DROPPED, A PARACHUTE PACK REMOVABLY SECURED TO SAID DEVICE, SAID PARACHUTE PACK COMPRISING A STEM SECURED TO SAID DEVICE, A SLEEVE HAVING A RECESS THEREIN FITTED ABOUT SAID STEM FOR TRANSLATORY MOVEMENT THEREON, MEANS LOCKING SAID SLEEVE ON SAID STEM TO PREVENT PREMATURE TRANSLATORY MOVEMENT OF SAID SLEEVE, A HOUSING SECURED TO SAID SLEEVE, A PARACHUTE PACKED WITHIN SAID HOUSING AND DETACHABLY SECURED THERETO, A SHROUD LINE ADAPTER AND RETAINING RING CONNECTED TO SAID STEM AND SAID PARACHUTE SECURING SAID PARACHUTE TO SAID DEVICE IN SUCH MANNER THAT THE PARACHUTE IS COMPLETELY ENCLOSED BY SAID DEVICE AND SAID HOUSING AND SUSPENDING SAID DEVICE WHEN SAID PARACHUTE IS DEPLOYED, AN EXPLOSIVE DETONATING MEANS, AND AN EXPLOSIVE SECURED TO SAID SLEEVE ADJACENT SAID FIRST NAMED MEANS WHEREBY WHEN SAID EXPLOSIVE IS DETONATED SAID FIRST NAMED MEANS UNLOCKS SAID SLEEVE AND SAID SLEEVE IS DRIVEN OFF SAID STEM WITH SUFFICIENT FORCE TO DEPLOY SAID PARACHUTE, SAID FIRST NAMED MEANS COMPRISING A PLURALITY OF BALLS NORMALLY ENGAGING SAID STEM AND SAID RECESS OF SAID SLEEVE, A PISTON WITHIN SAID SLEEVE, A PLUNGER CONTIGUOUSLY FORMED WITH SAID PISTON, AN EXPANDED PORTION ON SAID PLUNGER, SAID EXPANDED PORTION NORMALLY ENGAGING SAID BALLS TO LOCK SAID BALLS IN SAID RECESS WHEREBY WHEN SAID EXPLOSIVE IS DETONATED SAID PISTON IS TRANSLATED WITHIN SAID SLEEVE TO DISENGAGE SAID EXPANDED PORTION FROM LOCKING ENGAGEMENT WITH SAID BALLS AND UNLOCK SAID SLEEVE, SAID SLEEVE BEING DRIVEN OFF SAID STEM BY THE DETONATION OF SAID EXPLOSIVE TO REMOVE SAID HOUSING FROM ABOUT SAID PARACHUTE AND DEPLOY SAID PARACHUTE, A FRANGIBLE DISC SECURED WITHIN SAID STEM BY A RETAINING RING, SAID DISC ABUTTING SAID PLUNGER TO MAINTAIN SAID EXPANDED PORTION OF SAID PLUNGER IN LOCKING ENGAGEMENT WITH SAID BALLS AND SAID PISTON ADJACENT SAID EXPLOSIVE UNTIL SAID EXPLOSIVE IS DETONATED, SAID PLUNGER BEING DRIVEN THROUGH SAID DISC TO A MOVED POSITION WHEN SAID EXPLOSIVE IS DETONATED AND THEREAFTER SECURING SAID PLUNGER IN SAID MOVED POSITION.