Electromagnetic contactor with pilot light

Claim 1

AN ELECTROMAGNETICALLY OPERATED CONTROL MECHANISM COMPRISING AN ARMATURE MEMBER, AN ELECTRICAL CONTACT MEANS MOVABLE THEREBY, A MAGNETIC POLE MEMBER, A MAGNETIC MOTOR COIL HAVING AN AXIAL PASSAGE THERETHROUGH, AT LEAST ONE OF THE MEMBERS HAVING A PORTION EXTENDING INTO THE PASSAGE, SAID MEMBERS BEING IN MAGNETIC ATTRACTIVE RELATION TO EACH OTHER WHEN THE MOTOR COIL IS ENERGIZED, MEANS FOR CONNECTING THE MOTOR COIL TO A SOURCE OF ALTERNATING VOLTAGE, A MAGNETIC PILOT COIL IN INDUCTIVE RELATION TO THE FLUX OF THE MOTOR COIL, SAID PILOT COIL HAVING AN AXIAL PASSAGE THERETHROUGH, AT LEAST ONE OF THE MEMBERS HAVING A PORTION EXTENDING INTO THE PILOT COIL PASSAGE, SAID MOTOR COIL BEING RELATIVELY FLAT AT ONE END, SAID PILOT COIL BEING A UNITARY STRUCTURE IN THE SHAPE OF A THIN, FLAT WAFER, SAID PILOT COIL BEING DISPOSED ON SAID END OF THE MOTOR COIL IN COAXIAL RELATION THEREWITH, THE FOREGOING MECHANISM BEING MOUNTED IN A CASING HAVING A REMOVABLE COVER AND BEING DISPOSED IN THE CASING WITH SAID ONE END OF THE MOTOR COIL FACING TOWARD THE COVER, CONSTRAINING MEANS IN THE CASING ENGAGING THE MOTOR COIL AND CONSTRAINING IT FROM MOVEMENT IN A DIRECTION AWAY FROM THE COVER BEYOND A PREDETERMINED POSITION, ABUTMENT MEANS ON THE COVER ENGAGING THE ADJACENT END OF SAID PILOT COIL AND PRESSING IT AGAINST SAID ONE END OF THE MOTOR COIL WHEN THE COVER IS SECURED TO THE CASING WITH THE MOTOR COIL IN SAID POSITION, AND MEANS FOR DETACHABLY SECURING THE COVER TO THE CASING.