Punch card-operated switch device

Claim 1

A PUNCH CARD-OPERATED SWITCH ASSEMBLY COMPRISING A SINGLE PANEL OF ELECTRICALLY NON-CONDUCTIVE MATERIAL, A BANK OF ELECTRICAL SWITCH HOUSINGS IN SAID PANEL, A PLUNGER MOVABLE IN EACH OF SAID SWITCH HOUSINGS, EACH SWITCH HOUSING INCLUDING A PAIR OF ELECTRICAL CONDUCTORS SPACED FROM EACH OTHER IN THE DIRECTION OF MOVEMENT OF THE CORRESPONDING PLUNGER, EACH PLUNGER HAVING AN ELECTRICAL CONTACT THEREON ARRANGED TO OPEN AND CLOSE AN ELECTRICAL CIRCUIT BETWEEN SAID SPACED ELECTRICAL CONDUCTORS UPON MOVEMENT OF SAID PLUNGER FROM ONE POSITION TO ANOTHER, A PUNCH CARD HOLDER MOVABLE TOWARD AND AWAY FROM SAID SUPPORT AND HAVING APERTURES THEREIN TO CORRESPOND IN NUMBER AND POSITION WITH SAID SWITCH HOUSINGS AND PLUNGERS, SAID HOLDER BEING CONSTRUCTED TO HOLD TO PUNCH CAR SO THAT ANY PERFORATIONS IN THE CARD MATE WITH CORRESPONDING APERTURES IN SAID HOLDER, PUNCHED PORTIONS OF SAID CARD PERMITTING PENETRATION THERETHROUGH OF CORRESPONDING PLUNGERS WHEN SAID HOLDER IS MOVED TOWARD SAID SUPPORT AND UNPUNCHED PORTIONS ACTING TO PUSH THE CORRESPONDING PLUNGERS IN THE DIRECTION OF MOVEMENT OF THE HOLDER WHEN THE HOLDER IS MOVED TOWARD SAID SUPPORT, AND MEANS RIGIDLY CONNECTED TO SAID HOLDER TO MOVE SAID PLUNGERS AWAY FROM SAID SUPPORT AS SAID HOLDER IS MOVED AWAY FROM SAID SUPPORT.