Multi-face indicator system

Claim 1

A MULTI-FACE INDICATOR COMPRISING STATIONARY MOUNTING MEANS, A PRISMATIC STRUCTURE ROTATABLE ON SAID MOUNTING MEANS, SAID PRISMATIC STRUCTURE HAVING A PLURALITY OF FACES EACH OF A DIFFERENT COLOR AND OVERLAPPING EACH OTHER TO FORM LATERALLY EXTENDING EDGES AND A PLURALITY OF NOTCHES FORMED IN SAID EDGES AT DIFFERENT LATERAL POSITIONS, DRIVING MEANS FOR ROTATING SAID PRISMATIC STRUCTURE, AN ELECTROMAGNET ASSEMBLY HAVING A PLURALITY OF ELECTROMAGNETS AND ARMATURES, EACH OF SAID ARMATURES HAVING A RELEASE AND A LOCKING POSITION DEPENDING UPON THE ENERGIZATION OF THE CORRESPONDING ELECTROMAGNET, EACH ARMATURE PASSING THROUGH DETERMINED ONES OF THE NOTCHES IN THE EDGES OF THE FACES OF SAID PRISMATIC STRUCTURE AND ENGAGING IN ITS LOCKING POSITION A DETERMINED ONE OF THE EDGES OF SAID PRISMATIC STRUCTURE THEREBY ARRESTING SAID PRISMATIC STRUCTURE IN A DESIRED POSITION WHEREIN ONE OF ITS FACES IS POSITIONED AS DESIRED WHEN A CORRESPONDING ONE OF SAID ELECTROMAGNETS IS ENERGIZED, THE EDGES OF SAID FACES AND SAID ARMATURES BEING SHAPED AND THE NOTCHES FORMED IN SAID EDGES BEING POSITIONED SO THAT EACH ARMATURE CAN ENGAGE ONLY ONE EDGE, CIRCUIT MEANS CONNECTED TO SAID ELECTROMAGNETS FOR SELECTIVELY PLACING ONE OF SAID ARMATURES INTO ITS LOCKING POSITION AND THE OTHER ARMATURES IN THE RELEASE POSITION AND LOCKING PLATE MEANS IN OPERATIVE PROXIMITY WITH SAID ARMATURES FOR MAINTAINING THE ARMATURE OF AN ENERGIZED ELECTROMAGNET IN POSITION UNTIL ANOTHER ONE OF SAID ELECTROMAGNETS IS ENERGIZED.