| 摘要 |
PURPOSE: A bogie is provided to be rotated in a narrow radius, to enable convenient and safe use, and to reduce manufacturing costs. CONSTITUTION: A bogie is composed of front and rear bogies. The front bogie is comprised as follows. Four wheels are installed on the bottom end of the front bogie and are connected to each other through links(101). First and second actuators(102,103) are connected to the rear left and right wheels and switch the direction of the rear left and right wheels. A first controller is installed in front of the front bogie and controls the wheels. The rear bogie has the same parts as the front bogie. |
