Pedestrian traffic signal

Claim 1

A SIGNAL FOR INDICATING A TIME INTERVAL COMPRISING A CASING, A BRACKET MOUNTED IN SAID CASING, A COMBINATION ELECTRIC MOTOR AND CLUTCH MOUNTED ON SAID BRACKET, A SHAFT DRIVEN FROM SAID ELECTRIC MOTOR AND CLUTCH, A POINTER SECURED TO SAID SHAFT AND MOVABLE IN ONE DIRECTION BY SAID MOTOR, A SPRING FOR URGING SAID POINTER IN THE DIRECTION OPPOSITE THAT CAUSED BY SAID MOTOR, AN ADJUSTABLE STOP TO LIMIT THE MOTION OF SAID POINTER IN THE SAID OPPOSITE DIRECTION, A WINDOW IN SAID CASING ACROSS WHICH THE POINTER MOVES AND THROUGH WHICH THE POINTER MAY BE OBSERVED, A SWITCH IN THE PATH OF SAID POINTER WHEREBY THE MOVEMENT OF SAID POINTER MAY CAUSE SAID SWITCH TO BE OPERATED, MEANS TO ADJUST SAID SWITCH ALONG THE PATH OF MOVEMENT OF SAID POINTER WHEREBY THE SWITCH MAY BE ACTUATED UPON A PRE-DETERMINED MOVEMENT OF SAID POINTER, A MALE PLUG HAVING A PAIR OF ELECTRICAL CONTACTS, A FEMALE SOCKET FOR COOPERATION WITH SAID MALE PLUG AND HAVING ITS CONTACTS CONNECTED TO THE SOURCE OF ELECTRIC POWER FOR ENERGIZING THE CONVENTIONAL GREEN LIGHT, A RELAY, MEANS TO CONNECT ONE OF THE CONTACTS OF SAID MALE PLUG TO ONE LEAD OF THE MOTOR AND TO ONE LEAD OF THE COIL OF SAID RELAY, MEANS TO CONNECT THE OTHER CONTACT OF SAID PLUG THROUGH THE ARMATURE OF SAID RELAY AND THE NORMALLY CLOSED CONTACT OF SAID RELAY TO THE OTHER LEAD OF SAID MOTOR, SAID SWITCH BEING NORMALLY OPEN AND HAVING ONE CONTACT CONNECTED TO SAID ARMATURE AND THE OTHER CONTACT CONNECTED TO THE OTHER LEAD OF THE RELAY COIL, THE SECOND CONTACT OF SAID RELAY BEING CONNECTED TO THE OTHER CONTACT OF SAID SWITCH, WHEREBY ENERGIZATION OF SAID MALE PLUG CONTACTS WILL CAUSE SAID MOTOR AND CLUTCH TO OPERATE AND MOVE SAID POINTER AND UPON A PREDETERMINED MOVEMENT OF SAID POINTER SAID SWITCH WILL BE OPERATED TO CAUSE SAID RELAY TO INTERRUPT THE OPERATION OF SAID MOTOR AND CLUTCH WHEREBY THE POINTER MAY INDICATE A SHORTER INTERVAL THAN THE PERIOD OF ENERGIZATION OF SAID MALE PLUG CONTACTS.