Pyrotechnic-actuated folding fin assembly

Claim 1

AN UNITARY FOLDING FIN ASSEMBLY COMPRISING: A CIRCULAR PLATE; A PLURALITY OF RADIALLY EXTENDING TABS ON SAID PLATE ARRANGED EQUI-ANGULARLY AROUND THE PERIPHERY THEREOF; A PLURALITY OF FIN HOUSINGS, EACH COMPRISING A PAIR OF PARALLEL MOUNTING PLATES HAVING REAR ENDS DISPOSED ON EITHER SIDE OF ONE OF SAID TABS AND SECURED THERETO; AN ATTACHING BAND DISPOSED GENERALLY PARALLEL TO SAID CIRCULAR PLATE AND SECURED TO THE FRONT PORTIONS OF SAID MOUNTING PLATES; A PLURALITY OF PIVOT PINS, ONE PER FIN HOUSING SUPPORTED IN THE MOUNTING PLATES THEREOF ADJACENT THE ASSOCIATED TAB; A PLURALITY OF CAM BLOCKS, ONE PER PIVOT PIN AND SUPPORTED THEREON FOR SWINGING FROM A FOLDED POSITION TO AN ERECT POSITION IN WHICH SWINGING IS LIMITED BY ENGAGEMENT OF THE BLOCK WITH THE END OF THE ASSOCIATED TAB; A PLURALITY OF FINS, ONE PER CAM BLOCK AND SECURED THERETO FOR SWINGING THEREWITH FROM FOLDED TO ERECT POSITION; AND MEANS ENGAGING SAID CAM BLOCKS FOR SWINGING THE SAME AND THE FINS TO ERECT POSITION.