Electrical switch with camming bridging contact

Claim 1

IN AN ELECTRIC SWITCH, IN COMBINATION, AN INSULATOR BASE, AT LEAST A PAIR OF SPACED STATIONARY CONTACTS MOUNTED ON SAID BASE WITH THEIR CONTACT-MAKING FACES COPLANAR, AN ELECTRICALLY CONDUCTIVE BRIDGING CONTACT HAVING OPPOSITE CONTACTING ENDS SPACED AT APPROXIMATELY THE SAME SPACING AS SAID STATIONARY CONTACTS, THERE BEING A RECESS IN SAID BRIDGING CONTACT BETWEEN SAID ENDS EXTENDING AWAY FROM SAID FLAT SURFACE, MEANS SUPPORTING SAID BRIDGING CONTACT FOR LINEAR SLIDING MOVEMENT IN LINE WITH SAID STATIONARY CONTACTS BETWEEN A NON-BRIDGING POSITION, WHERE SAID ENDS LIE RESPECTIVELY ON THE SAME SIDE OF ASSOCIATED STATIONARY CONTACTS AND OUT OF ENGAGEMENT THEREWITH, AND A BRIDGING POSITION WHERE SAID ENDS ENGAGE SAID STATIONARY CONTACTS RESPECTIVELY, PROJECTION ON SAID BASE BETWEEN SAID STATIONARY CONTACTS IN ENGAGEMENT WITH SAID BRIDGING CONTACT AS THE LEADING CONTACTING END THEREOF APPROACHES THE TO-BE-CONTACTED STATIONARY CONTACT, SAID PROJECTION CAMMING SAID BRIDGING CONTACT TO LIFT SAID LEADING CONTACTING END DURING SAID MOVEMENT TO A LEVEL ABOVE THE CONTACT-MMAKING FACE OF THE TO-BE-CONTACTED STATIONARY CONTACT, SAID RECESS BEING FORMED ON SAID BRIDGING CONTACT AS TO REGISTER WITH SAID PROJECTION ONLY AFTER SAID LEADING CONTACTING END REGISTERS WITH AT LEAST A PORTION OF SAID APPROACHED STATIONARY CONTACT, SAID RECESS BEING OF A DEPTH OF THEN PERMIT SAID LEADING CONTACTING END OF SAID BRIDGING CONTACT TO ENGAGE SAID APPROACHED STATIONARY CONTACT, AND MEANS BIASING SAID BRIDGING CONTACT TOWARD SAID STATIONARY CONTACTS.