Electric motor driven vehicle having driver controlled variable speed drive

Claim 1

AN ELECTRIC POWERED INDUSTRIAL TYPE CART INCLUDING, IN COMBINATION, TRACTION WHEELS; AN ELECTRIC MOTOR FOR DRIVING SAID TRACTION WHEELS, ELECTRIC BATTERIES; A POWER SUPPLY CIRCUIT FROM SAID BATTERIES TO SAID MOTOR; A SWITCH UNIT IN SAID SUPPLY CIRCUIT OPERABLE TO A POSITION OPENING OR TO A POSITION CLOSING SAID SUPPLY CIRCUIT; SAID SUPPLY CIRCUIT CONSTRUCTED TO SUPPLY THE FULL VOLTAGE OUTPUT OF SAID BATTERIES TO SAID MOTOR WHEN SAID CIRCUIT IS CLOSED BY SAID SWITCH UNIT; SAID MOTOR HAVING A MOTOR SHAFT DRIVEN THEREBY; AN INFINITELY VARIABLE SPEED DRIVE UNIT CONNECTED WITH SAID MOTOR SHAFT AND DRIVEN THEREBY; A DRIVE MECHANISM CONNECTED WITH SAID TRACTION WHEELS FOR DRIVING SAID WHEELS; SAID DRIVE MECHANISM INCLUDING A DRIVEN SHAFT MEMBER CONNECTED WITH SAID VARIABLE SPEED DRIVE UNIT AND DRIEN THEREBY TO DRIVE SAID DRIVE MECHANISM AND TRACTION WHEELS; SAID INFINITELY ARIABLE SPEED DRIVE UNIT INCLUDING A VARIABLE PITCH DIAMETER DRIVING SHEAVE MEMBER MOUNTED ON AND DRIVEN BY SAID MOTOR SHAFT, A VARIABLE PITCH DIAMETER DRIVEN SHEAVE MEMBER MOUNTED ON SAID DRIVEN MEMBER OF SAID DRIVE MECHANISM, AND