Retard sensor for retarded bombs

Claim 1

A SWITCH RESPONSIVE TO THE RETARDING FORCE OF A FREEFALLING PARACHUTE RETARDED DROP BOMB FOR CONTROLLING THE TIMING OF A FUZE-ARMING TIMING MECHANISM COMPRISING: AN ELONGATED HOUSING ADAPTED TO BE SECURED TO THE DROP BOMB, AN INERTIA WEIGHT MEMBER SLIDEABLY DISPOSED WITHIN SAID HOUSING AND ADAPTED TO MOVE RAPIDLY FROM A FIRST POSITION TO A SECOND POSITION UPON APPLICATION OF A DECELERATION FORCE, RELEASABLE COUPLING MEANS CONNECTING SAID INERTIA WEIGHT TO THE PARACHUTE AND NORMALLY LOCKING THE WEIGHT IN SAID FIRST POSITION UNTIL THE PARACHUTE OPENS, RUNAWAY ESCAPEMENT MEANS ADAPTED TO RETARD AND REGULATE THE RATE OF MOVEMENT OF THE WEIGHT MEMBER WHEN UNLOCKED BY SAID RELEASABLE COUPLING MEANS, AT LEAST ONE PAIR OF FIXED ELECTRICAL CONTACTS MOUNTED ON SAID HOUSING, AND A NORMALLY-OPEN SWITCH ARM FOR COOPERATION WITH SAID FIXED CONTACTS POSITIONED WITHIN SAID HOUSING IN THE PATH OF MOVEMENT OF SAID INERTIA WEIGHT AND CLOSED BY SAID WEIGHT UPON MOVEMENT THEREOF TO SAID SECOND POSITION, SPRING MEANS WITHIN SAID HOUSING TO BIAS SAID INERTIA WEIGHT MEMBER TOWARDS SAID FIRST POSITION, SAID SPRING HAVING SUFFICIENT COMPRESSIVE FORCE TO RETURN SAID INERTIA WEIGHT TO SAID FIRST POSITION IF THE DECELERATION FORCE IS NOT EQUAL TO MINIMUM PREDETERMINED MAGNITUDE, WHEREBY THE RELEASABLE COUPLING MEANS FREES THE INERTIA WEIGHT FOR DECELERATION-RESPONSIVE MOVEMENT WITHIN THE HOUSING WHEN THE PARACHUTE OPENS AND THE INERTIA WEIGHT IS THEREAFTER MOVED FROM A FIRST TO A SECOND POSITION TO CLOSE A SWITCH IN THE FUZE ARMING TIMING MECHANISM ONLY BY A DECELERATION FORCE OF A MINIMUM PREDETERMINED MAGNITUDE AND DURATION.