Printed circuit board provided with a junction circuit breaker having a slidable and rotatable armature

Claim 1

A JUNCTION CIRCUIT BREAKER, A PRINTED CIRCUIT BOARD, SAID PRINTED CIRCUIT BOARD COMPRISING TWO CONDUCTORS SEPARATED FROM EACH OTHER BY AN INSULATING CARD, A U-SHAPED ARMATURE HAVING LEGS OF UNEQUAL LENTTH, THE LONGER LEG OF SAID ARMATURE EXTENDING THROUGH SAID INSULATION CARD AND ONE OF SAID CONDUCTORS, SAID ARMATURE BEING ROTATABLE AND SLIDABLE IN SAID INSULATING CARD SUCH THAT THE SHORTER LEG OF SAID U-SHAPED ARMATURE MAY BE ENGAGED WITH THE OTHER OF SAID CONDUCTORS, SPRING MEANS ON SAID LONGER LE OF SAID U-SHAPED ARMATURE FOR BIASING SIAD ARMATURE DOWNWARDLY AGAINST SAID OTHER CONDUCTOR, RETAINING MEANS FOR SECURING SAID SPRING ON SAID ARMATURE, A HOLE THROUGH SAID INSULATING CARD FOR RECEIVING SAID SHORTER LEG OF SAID U-SHAPED ARMATURE WHEN SAID ARMATURE IS ROTATED FROM ITS CONTACT WITH SAID OTHER CONDUCTOR TO CIRCUIT OPEN POSITION, AND MEANS FOR PRODUCING LIGHT ON ONE SIDE OF SAID INSULATING CARD SUCH THAT, WHEN SAID ARMATURE IS IN CIRCUIT CLOSED POSITION, LIGHT IS ALLOWED TO PASS THROUGH SAID HOLE IN A CIRCUIT OPENED POSITION THE PASSAGE OF LIGHT IS BLOCKED.