Fixture for testing polyphase stator windings of alternators and the like for opens,shorts, and phase reversals

Claim 1

A TESTER FOR A POLYPHASE MULTIPLE WINDING STATOR HAVING A PLURALITY OF PHASE PORTIONS COMPRISING BASE MEANS, PRIMARY COIL MEANS CONNECTED TO A SOURCE OF A.C. LINE CURRENT AND FIXEDLY MOUNTED IN VERTICAL POSITION ON SAID BASE MEANS, PLATFORM MEANS MOVABLY MOUNTED ON THE BASE MEANS CARRYING THE STATOR FOR MOVEMENT RELATIVE TO THE PRIMARY COIL MEANS, MAGNETIC CORE MEANS FOR ESTABLISHING DIRECTED MAGNETIC FLUX PATHS BETWEEN THE STATOR AND THE PRIMARY COIL MEANS, MEANS REMOVABLY MOUNTING THE CORE MEANS ON THE PRIMARY COIL MEANS FOR UNIFORM SPACING OF THE STATOR THEREFROM, METER MEANS ELECTRICALLY CONNECTED ACROSS THE PHASE PORTIONS OF THE STATOR FOR MEASURING CURRENT INDUCED IN THOSE PHASE PORTIONS INDUCTIVELY ORIENTED WITH RESPECT TO THE PRIMARY COIL MEANS, SELECTOR MEANS CONNECTED TO THE PLATFORM MEANS FOR DISPLACING THE STATOR CARRIED THEREON TO INDUCTIVELY ORIENTATE THE RESPECTIVE PHASE PORTIONS, AND INDICATOR MEANS MOUNTED ON THE BASE MEANS FOR INDICATING THE RESPECTIVE ORIENTATED BASE PORTIONS BEING MEASURED BY THE METER MEANS, SAID PLATFORM MEANS COMPRISING A ROTATABLE DISK MEMBER HAVING A SURFACE WHICH IS ROUGHENED AS COMPARED TO THE BASE MEANS FOR GRIPPING A LOWER AXIAL END OF THE STATOR, SAID CORE MEANS COMPRISING A PAIR OF POLE MEMBERS INTERFITTED WITH EACH OTHER TO FORM ALTERNATE CIRCUMFERENTIALLY SPACED MAGNETIC POLES OF OPPOSITE POLARITY EQUAL IN NUMBER TO THE WINDINGS OF THE STATOR,