Oscillating motor

Claim 1

AN OSCILLATING MOTOR COMPRISING, A STATOR FRAME, A FIRST PAIR OF PARALLEL POLE PIECES MOUNTED IN SAID STATOR FRAME AND CONNECTED BY A YOKE AT ONE END TO FORM A FIRST STATOR PIECE, A SECOND U-SHAPED STATOR PIECE INCLUDING A SECOND PAIR OF PARALLEL PIECES, MEANS TO MOUNT SAID SECOND STATOR PIECE WITH THE POLES THEREOF IN ALIGNMENT WITH SAID FIRST POLE PIECES WITH AIR GAPS THEREBETWEEN, A SLOT IN EACH OF SAID POLES PIECES, A FIRST ALTERNATING CURRENT COIL IN THE SLOTS IN SAID FIRST PAIR OF POLES, A SECOND ALTERNATING CURRENT COIL IN THE SLOTS OF SAID SECOND PAIR OF POLES, A FIRST DIRECT CURRENT FIELD COIL LOCATED ABOUT ONE OF SAID FIRST POLES AND A SECOND DIRECT CURRENT FIELD COIL LOCATED ABOUT THE OTHER OF SAID FIRST POLES FOR ESTABLISHING A UNIDIRECTIONAL SINGLE LOOP MAGNETIC CIRCUIT OF ESSENTIALLY CONSTANT MAGNITUDE IN SAID POLES PIECES, AN ARMATURE FRAME LOCATED IN SAID AIR GAPS BETWEEN SAID POLE PIECES AND EXTENDING BEYOND THE ENDS OF SAID STATOR FRAME, MAGNETICALLY ISOLATED ARMATURE SEGMENTS CARRIED BY SAID ARMATURE FRAME WITH AN ARMATURE SEGMENT LOCATED ADJACENT EACH OF SAID POLE PIECES, THE CENTER LINES OF SAID ARMATURE SEGMENTS BEING SPACED A DISTANCE EQUAL TO THE SPACING OF