| 摘要 |
PURPOSE:To select a required steering function only by replacing a steering section which has a steering unit and a switching mechanism, by providing the steering section removably from the body of a vehicle and connecting the steering section to an operating mechanism through bevel gears. CONSTITUTION:A vehicle A1 is equipped with right and left front and rear wheels 109, 121, 141. Theses wheels are connected to the output shafts 101, 111, 122, 131 of a steering unit through joints 102. The vehicle can be moved rightward, leftward, forward and in reverse by operating a switching unit Fa. The steering unit 13 can be removed from the body of the vehicle by removing the joints. At that time, the switching unit can be also removed from the body of the vehicle. |
