Weighing scale with electric control switching means

Claim 1

A WEIGHTING SCALE, COMPRISING IN COMBINATION A DIAL INCLUDING A GRADUATION HAVING A ZERO MARKING, A ROTATABLE INDICATOR JOURNALLED NEAR AND DIAL AND OPERABLE TO INDICATE THEREON THE WEIGHT ON THE SCALE, ELECTRIC CONTROL SWITCHING MEANS COMPRISING A SWITCH INCLUDING A HOUSING MOUNTED ON SAID MOVABLE WITH SAID INDICATOR IN A CIRCULAR PATH, A PLURALITY OF FIELD GENERATING MAGNETS ADJUSTABLY MOUNTED NEAR THE PERIPHERY OF THE PATH OF SAID SWITCH, SAID SWITCH COMPRISING TWO LAMELLAE INCLUDING ADJACENT END PORTIONS OPERABLE TO MAKE CONTACT TO CLOSE THE SWITCH, THE END PORTION OF ONE LAMELLA BEING POLARIZED AND THE OTHER BEING SUBJECTABLE TO THE ACTION OF THE FIELD OF EACH OF SAID MAGNETS AS SAID INDICATOR CARRIES SAID SWITCH PAST SAID MAGNETS, EACH OF SAID MAGNETS HAVING TWO POLES DISPOSED TANGENTIALLY OF SAID PATH WHEREBY, AS THE SWITCH MOVES IN SAID PATH FROM ZERO POSITION TO POSITION OF INCREASED WEIGHT, THE FIELD OF EACH MAGNET WILL FIRST CLOSE THE SWITCH AND THEREAFTER OPEN IT AS THE SWITCH MOVES PAST FIRST ONE POLE AND THEN THE OTHER POLE OF EACH MAGNET.