Electric line fault indicator

Claim 1

AN ELECTROMAGNETIC FAULT INDICATOR COMPRISING, IN COMBINTION, A CASING HAVING A TRANSPARENT WINDOW THEREIN AND INCLUDING A NON-MAGNETIC BASE MEMBER HAVING A PAIR OF SPACED APART APERTURES THEREIN, A GENERALLY USHAPED MAGNETIC CORE HAVING THE LEGS THEREOF EXTENDING THROUGH SAID APERTURES IN SAID BASE MEMBER, CLAMPING MEANS ENGAGING SAID CORE FOR MOUNTING SAID INDICATOR ON A CONDUCTOR EXTENDING THROUGH THE LOOP FORMED BY SAID U-SHAPED CORE AND SAID BASE, A MOVBALE ARMATURE WITHIN SAID CASING ADJACENT THE FREE END OF SAID CORE LEGS, WHEREBY SAID ARMATURE IS PROTECTED AGAINST CORROSION RESULTING FROM EXPOSURE TO THE ATMOSPHERE, SPRING MEANS WITHIN SAID CASING FOR HOLDING SAID ARMATURE IN SPACED RELATION TO SAID CORE, WHEREBY AN AIR GAP IS PROVIDED BETWEEN SAID ARMATURE AND SAID CORE, A MEMBER WITHIN SAID CASING ROTATABLE BETWEEN FIRST AND SECOND POSITIONS, RESILIENT MEANS WITHIN SAID CASING FOR BIASING SAID ROTATABLE MEMBER TOWARD ROTATION FROM SAID FIRST TO SAID SECOND POSITION, LATCH MEANS WITHIN SAID CASING CONTROLLED BY SAID ARMATURE FOR NORMALLY HOLDING SAID ROTATABLE MEMBER IN SAID FIRST POSITION, MEANS INCLUDING AN INDICATING MEMBER WITHIN SAID CASING VISIBLE THROUGH SAID WINDOW AND COUPLED TO AND MOVABLE WITH SAID ROTATABLE MEMBER FOR GIVING A VISUAL INDICATION UPON ROTATION WITH SAID ROTATABLE MEMBER FROM SAID FIRST TO SAID SECOND POSITION, SAID LATCH MEANS FREEING SAID ROTATABLE MEMBER FOR MOVEMENT UPON ATTRACTION OF SAID ARMATURE TO SAID CORE IN RESPONSE TO A PREDETERMINED CURRENT THROUGH SAID CONDUCTOR, SAID INDICATING MEMBER HAVING A PORTION EXTENDING THROUGH A WALL OF SAID CASING AND BEING ENGAGEABLE BY A HOOKSTICK AND PERMITTING RETURN OF SAID INDICATING MEMBER AND SAID ROTATABLE MEMBER AGAINST THE B IAS OF SAID RESILIENT MEANS FROM SAID SECOND TO SAID FIRST POSITION AND SAID LATCH MEANS BEING RESETTABLE TO AGAIN HOLD SAID ROTATABLE MEMBER AGAINST MOVEMENT AFTER IT IS RETURNED TO SAID FIRST POSITION.