Plunger switch

Claim 1

IN A PLUNGER SWITCH THE COMBINATION COMPRISING: A SLEEVE MEMBER, A CYLINDRICAL BODY MEMBER TELESCOPED IN THE SLEEVE MEMBER AND EXTERNALLY PROVIDED WITH A PLURALITY OF FLAT SURFACE PORTIONS ABOUT THE CIRCUMFERENCE THEREOF, AND FURTHER PROVIDED WITH AN AXIAL PLUNGER RECEIVING BORE, A PLUNGER MEMBER TELESCOPED IN THE SLEEVE MEMBER AND SUPPORTED BY THE AXIAL BORE OF THE BODY MEMBER FOR RECIPROCATION THEREIN, A PLURALITY OF PAIRS OF ELECTRICAL CONTACTS IN THE SLEEVE MEMBER MOUNTED ON AND SECURED TO THE BODY MEMBER AT SAID FLAT SURFACE PORTIONS AND ARRANGED IN AXIALLY SPACED APART RELATION IN RADIAL OPPOSITION TO AND YIELDINGLY BIASED TOWARD THE PLUNGER MEMBER, A BRIDGING CONTACT MOUNTED ON AND CARRIED BY THE PLUNGER MEMBER TO ENGAGE SUCCESSIVE PAIRS OF CONTACTS DURING RELATIVE AXIAL MOVEMENT BETWEEN THE MEMBERS AND WITH THE CONTACTS OF EACH PAIR BEING SIMULTANEOUSLY ENGAGED OR DISENGAGED BY THE BRIDGING CONTACT TO PROVIDE A DOUBLE MAKE AND BREAK CONNECTION BETWEEN TEH CONTACTS OF EACH PAIR, THAT MEMBER UPON WHICH THE BRIDGING CONTACT IS MOUNTED BEING OF DIELECTRIC MATERIAL, SAID PAIRS OF CONTACTS BEING SPACED APART AXIALLY OF THE MEMBERS A DISTANCE GREATER THAN THE EFFECTIVE LENGTH OF THE BRIDGING CONTACT TO PROVIDE A POSITION DURING RECIPROCATION OF THE PLUNGER MEMBER IN WHICH THE BRIDGING CONTACT IS DISPOSED INTERMEDIATE ADJACENT PAIRS OF CONTACTS AND DISENGAGED FROM EITHER OF SUCH PAIRS, AND THE SURFACE OF THE PLUNGER MEMBER WHICH IS OPPSED TO THE PAIRS OF CONTACTS DURING RECIPROCATION OF THE PLUNGER MEMBER BEING SPACED RADIALLY FROM AND OUT OF ENGAGEMENT WITH SAID PAIRS OF CONTACTS ON OPPOSITE SIDES OF THE BRIDGING CONTACT.