Motor control system for an industrial truck

Claim 1

IN COMBINATION WITH AN INDUSTRIAL TRUCK, AN ELECTRIC MOTOR FOR SAID TRUCK, SAID ELECTRIC MOTOR HAVING AN ARMATURE AND A HOUSING ENCLOSING SAID ARMATURE, A PLURALITY OF SPACED APERTURES EXTENDING THROUGH SAID MOTOR HOUSING, A SERIES OF PAIRS OF SPACED TERMINALS EXTENDING THROUGH AND MOUNTED WITHIN SAID SPACED APERTURES EACH OF SAID TERMINALS COMPRISING AN INTERMEDIATE PORTION TRAVERSING SAID APERTURES WITHIN SAID HOUSING AND FIXEDLY SECURED THRETO, AN INNER END PORTION WITHIN SAID HOUSING, AND AN OUTER RIGID PORTION UPSTANDING FROM SAID HOUSING, A SEPARATE FIELD WINDING FOR EACH OF SAID PAIRS OF TERMINALS WITHIN SAID HOUSING, OPPOSED ENDS OF ONE WINDING CONNECTED TO SAID INNER END PORTIONS OF EACH PAIR OF TERMINALS, A CONTACT FINGER PIVOTALLY MOUNTED ON EACH TERMINAL OF EACH PAIR OF TERMINALS EXCEPT FOR AN END PAIR OF TERINALS OF SAID SERIES, ONE CONTACT FINGER OF EACH PAIR OF TERMINALS BEING PIVOTALLY MOVABLE INTO AND OUT OF A POSITION OF ELECTRICAL CONTACT WITH THE SAID RIGID OUTER END PORTION OF ONE TERMINAL OF THE NEXT ADJACENT PAIR OF TERMINALS THE OTHER CONTACT FINGER OF EACH PAIR OF TERMINALS BEING PIVOT-