Embedment anchor

Claim 1

AN UNDERWATER EMBEDMENT ANCHOR COMPRISING: AN ELONGATED CYLINDER, FORMING THE UPPER PORTION OF THE ANCHOR, HAVING THE UPPER END CLOSED AND PROVIDED WITH A MOORING EYE; A PISTON AND PISTON ROD MOUNTED IN THE CYLINDER, SAID PISTON ROD BEING OF A LENGTH WHEN POSITIONED IN UPWARD POSITION TO EXTEND BELOW THE LOWER END OF SAID CYLINDER, SAID PISTON ROD HAVING AN AXIAL BORE THERETHROUGH; A CARTRIDGE CONTAINING A PROPELLANT CHARGE AND PRIMER MOUNTED ABOVE SAID PISTON; FIRING PIN MEANS MOUNTED AT THE UPPER END OF SAID BORE THROUGH THE PISTON ROD; AN OPEN ENDED WATER TRAPPING PART MOUNTED WITH ITS OPEN END UPWARD ON THE CYLINDER AND EFFECTIVE TO OPPOSE THE UPWARD REACTION OF SAID CYLINDER WHEN THE PROPELLANT CHARGE IS FIRED; A SLIDING BLOCK MOUNTED IN THE OPEN END OF SAID CYLINDER HAVING A BORE FOR THE PASSAGE OF SAID PISTON ROD; FOLDED CABLES SECURED TO SAID CYLINDER AND TO SAID SLIDING BLOCK, READILY BROKEN MEANS HOLDING SAID FOLDED CABLES IN FOLDED CONDITION; AN ELONGATED BODY COAXIALLY CONNECTED TO SAID PISTON ROD BELOW SAID SLIDING BLOCK; MEANS MOUNTED ON SAID BODY EFFECTIVE TO ENGAGE IN THE SEA BOTTOM AND HOLD THE ANCHOR IN POSITION; A SEA BOTTOM IMPACTING MEMBER EXTENDING FROM THE BOTTOM OF SAID ELONGATED BODY; MEANS WITHIN SAID ELONGATED BODY RESPONSIVE TO THE UPWARD MOVEMENT OF SAID IMPACTING MEMBER TO FURNISH ENERGY; AND MEANS TO TRANSMIT SAID ENERGY THROUGH SAID PISTON ROD BORE TO THE FIRING PIN MEANS TO DETONATE SAID PRIMER AND SAID PROPELLANT CHARGE.