1. A SWITCH MECHANISM INCLUDING A BODY MEMBER, AN ACTUATOR ARM PIVOTALLY MOUNTED ON SAIDS BODY MEMBER, A SWITCH SECTOR PIVOTALLY MOUNTED ON SAID BODY MEMBER, SPRING MEANS CONNECTING SAID ACTUATOR ARM TO SAID SECTOR IN SUCH A MANNER THAT SAID SECTOR AND ACTUATOR ARM FORM A TOGGLE LINKAGE, FIXED CONTACT MEANS MOUNTED ON SAID BODY MEMBER, MOVABLE CONTACT MEANS MOUNTED ON SAID SECTOR, SAID MOVABLE CONTACT MEANS INCLUDING A PAIR OF CONTACT ARMS, SAID CONTACT ARMS BEING INTERCONNECTED AT A FIRST END PORTION AND SEPARATED AT A SECOND END PORTION, SAID SECOND END PORTION OF SAID CONTACT ARMS RESILIENTLY ENGAGING SAID FIXED CONTACT MEANS WHEN SAID SECTOR IS IN A FIRST POSITION AND SAID SECOND END POR-