Interlock dual operator assembly

Claim 1

A DUAL FUNCTION PUSH BUTTON OPERATOR COMPRISING: A BASE ADAPTED TO BE SECURED TO A PANEL AND TO A PUSH BUTTON OPERABLE SWITCH MEANS TO BE OPERATED BY THE OPERATOR AND HAVING A FORWARD END; A PAIR OF PUSH BUTTON ACTUATORS MOUNTED IN THE BASE IN LATERALLY SPACED RELATION TO EACH OTHER FOR LINEAL MOVEMENT ENDWISE IN CLOSELY ADJACENT PARALLEL PATHS, EACH TO A FORWARD EXTENDED POSITION AND TO A REARWARD DEPRESSED POSITION, AND EACH HAVING A FORWARD END SURFACE ADAPTED TO BE ENGAGED BY THE FINGER OF A PERSON FOR DEPRESSION THEREBY; A RIGID DIVIDER CARRIED BY THE BASE AND EXTENDING GENERALLY PARALLEL TO SAID PATHS AND DISPOSED IN THE SPACE BETWEEN SAID ACTUATORS WITH ITS FORWARD END DISPOSED FORWARDLY FROM THE BASE CLOSELY ADJACENT THE POSITION ASSUMED BY THE FORWARD ENDS OF THE ACTUATORS WHEN THE ACTUATORS ARE IN THEIR EXTENDED POSITIONS, RESPECTIVELY THEREBY TO PREVENT ACCIDENTAL APPLICATION OF DEPRESSING FORCE ON BOTH ACTUATORS CONCURRENTLY BY A SINGLE FINGER OF A PERSON, SAID BASE HAVING A CYLINDRICAL PORTION WITH ITS AXIS PARALLEL TO SAID PATHS AND ADAPTED TO BE ACCOMMODATED IN A CIRCULAR PASSAGE THROUGH A PANEL WHEN THE BASE IS SECURED TO THE PANEL, SAID PORTION HAVING TWO PASSAGES WHICH ARE PARALLEL TO THE AXIS OF THE CYLINDRICAL PORTION AND WHICH ARE SEPARATED BY THE DIVIDER; A FIRST PORTION OF THE PERIPHERAL WALL OF EACH PASSAGE BEING ON THE DIVIDER AND EXTENDING GENERALLY TRANSVERSELY OF THE BASE, THE REMAINDER OF THE PERIPHERAL WALL OF EACH PASSAGE BEING COAXIAL WITH SAID CYLINDRICAL PORTION, WHEREBY, WHEN VIEWED ENDWISE, IN THE DEPRESSING DIRECTION OF THE ACTUATORS, THE OUTER ENDS OF THE ACTUATORS, COMBINED WITH THE DIVIDER, PRESENT A CIRCULAR OUTLINE COAXIAL WITH SAID CYLINDRICAL PORTION.