Three position status indicator

Claim 1

A THREE POSITION ELECTROMAGNETIC RELAY SWITCHING CIRCUIT COMPRISING IN COMBINATION, TWO ACTUATING SOLENOIDS ARRANGED SIDE BY SIDE ALONG A COMMON AXIS, A SOFT MAGNETIC CORE MEMBER LONGER THAN EITHER SOLENOID AND FREELY MOVABLE ALONG SAID AXIS TO A CENTERED POSITION WITHIN EITHER SOLENOID UNDER THE INFLUENCE OF THE MAGNETIC FIELD PRODUCED BY EITHER SOLENOID WHEN ENERGIZED, DETENT STRUCTURE MOUNTED BETWEEN SAID SOLENOIDS COMPRISING A SPRING BIASED CAM RIDER AND THREE CAMMED SURFACE INDENTATIONS IN SAID CORE MEMBER TO RECEIVE THE CAM RIDER AND THEREBY FRICTIONALLY HOLD THE CORE IN THREE STABLE POSITIONS WITHOUT ENERGIZATION OF THE SOLENOID, SAID CAM RIDER AND CAMMED SURFACE BEING FASHIONED TO PERMIT SAID CORE TO ATTAIN A DIFFERENT STABLE POSITION BY FRICTIONAL DISPLACEMENT OF THE CAM RIDER AS SAID SOLENOIDS ARE ENERGIZED TO CENTER THE CORE IN A DIFFERENT POSITION, AND THREE TEMPORARY