Patent ID: 6880420

Claim:
An automatic control device for a gearbox of a motorized vehicle, the motorized vehicle gearbox including a movable block movable between a forward driving position for driving the motorized vehicle forward, a neutral position, and a reverse driving position for driving the motorized vehicle rearward, the automatic control device comprising: a motor; a transmission gear driven by the motor, the transmission gear including an eccentric axle provided thereon; a connecting rod having a first end rotatably connected to the eccentric axle and a second end; an eccentric block including a first end rotatably connected to the second end of the connecting rod and a second end; and an actuating device including a first end securely connected to the second end of the eccentric block and a second end securely engaged with the movable block to move therewith; wherein when the motor is activated, the transmission gear is driven to move the movable block via transmission by the eccentric axle, the connecting rod, the eccentric block, and the actuating device, thereby moving the movable block to one of the forward driving position, the neutral position, and the rearward driving position.