Patent ID: 7073613

Claim:
A motorized vehicle comprising: a vehicle body having a front end and a rear end; a left driving wheel and a right driving wheel mounted on the vehicle body for undergoing rotation to cause the motorized vehicle to undergo travelling; a left electric motor and a right electric motor mounted on the vehicle body for independently rotating the left and right driving wheels, respectively, at variable speeds; and a plurality of actuators for effecting simultaneously driving of the left and right electric motors in opposite directions to turn the motorized vehicle while the motorized vehicle does not undergo travelling, the actuators comprising a left spot turn switch connected to the left and right electric motors and manually operable to cause the left electric motor to rotate in a reverse direction and the right electric motor to rotate in a forward direction, and a right spot turn switch connected to the left and right electric motors and manually operable to cause the right electric motor to rotate in the reverse direction and the left electric motor to rotate in the forward direction.