Flasher switch

Claim 1

A FLASHING CONTROL SWITCH FOR USE WITH A D.C. POWER SOURCE COMPRISING, A PAIR OF SWITCH TERMINALS, A MAGNETIZABLE CORE, FIRST AND SECOND OPERATING COILS OF RELATIVELY HIGH IMPEDANCE WOUND ON THE CORE, SAID COILS BEING CONNECTED IN PARALLEL BETWEEN SAID SWITCH TERMINALS TO BE SUPPLIED IN PARALLEL WITH CURRENT FROM A D.C. POWER SOURCE CONNECTED BETWEEN SAID SWITCH TERMINALS AND TO PRODUCE IN THE CORE UPON SUCH SUPPLY OF CURRENT OPPOSED MAGNETIC FORCES WHICH ARE SUBSTANTIALLY EQUAL IN MAGNITUDE, A CONTACTOR, SPRING BIASING MEANS FOR THE CONTACTOR, THE CONTACTOR BEING MOVABLE IN ONE DIRECTION FROM A FIRST TO A SECOND POSITION IN RESPONSE TO ENERGIZATION OF THE CORE BY THE UNOPPOSED MAGNETIC FORCE OF ONE OF THE OPERATING COILS AND MOVABLE IN THE OPPOSITE DIRECTION FROM THE SECOND TO THE FIRST POSITION UNDER THE ACTION OF THE SAID SPRING BIASING MEANS, A CAPACITOR CONNECTED IN SERIES WITH THE SECOND COIL TO BE CHARGED BY CURRENT PASSING THROUGH THE SECOND COIL AND OF SUCH ELECTRIC CAPACITY THAT UPON ITS DISCHARGE THROUGH THE SECOND COIL IT CAUSES ENERGIZATION OF THE CORE SUFFICIENT FOR MAINTENANCE OF THE CONTACTOR IN THE SAID SECOND POSITION, A MOVABLE CONTACT MOVED BY THE SAID CONTACTOR, ANOTHER CONTACT ENGAGED BY THE SAID MOVABLE CONTACT WHEN THE CONTACTOR IS IN THE SAID SECOND POSITION, AND SHORT CIRCUIT MEANS COMPRISING THE CONTACTOR ESTABLISHING A SHORT CIRCUIT OF SUBSTANTIALLY ZERO IMPEDANCE ACROSS THE CAPACITOR AND THE SECOND COIL WHEN THE MOVABLE CONTACT AND ANOTHER CONTACT ARE ENGAGED.