Automatic operating device for pushbutton telephones

Claim 1

IN APPARATUS FOR EFFECTING SWITCH CLOSURES IN A PUSHBUTTON-TYPE TELEPHONE TO CALL A PRESELECTED TELEPHONE NUMBER, THE COMBINATION OF A STATIONARY BAR OF ELECTRICAL CONDUCTING MATERIAL, A PLURALITY OF ELECTRICAL CONTACTS RESILIENTLY BIASED INTO ENGAGEMENT WITH ONE SIDE OF SAID BAR, EACH OF SAID CONTACTS REPRESENTING INDICIA IN A TELEPHONE NUMBER TO BE CALLED, CIRCUIT MEANS INCLUDING SAID BAR AND SAID CONTACTS FOR EFFECTING SWITCH CLOSURES REPRESENTING INDICIA IN A TELEPHONE NUMBER TO BE CALLED, A CARD OF ELECTRICAL INSULATING MATERIAL ADAPTED TO BE MANUALLY PUSHED BETWEEN THE BAR AND SAID CONTACTS, PERFORATIONS IN SAID CARD REPRESENTING INDICIA IN A NUMBER OF TO BE CALLED AND ADAPTED TO REGISTER WITH SELECTED ONES OF SAID CONTACTS, AND MEANS INCLUDING AT LEAST ONE NORMALLY OPEN SWITCH DEVICE FOR ENERGIZING SAID CIRCUIT MEANS WHEN SAID SWITCH DEVICE IS CLOSED, SAID SWITCH DEVICE BEING CLOSED UPON MOVEMENT OF THE CARD BETWEEN THE BAR AND THE CONTACTS IN ONE DIRECTION ONLY.