| 摘要 |
PROBLEM TO BE SOLVED: To obtain a self-propelled carriage which can correct the slippage between a regular running route and an actual running route accurately without being disturbed by the skillness of a driver. SOLUTION: Plural driving wheels are provided, and a vehicle operated obliquely or operated laterally along the running lines applied on the running road surface; a disk form of right side base board 11R; a cylindrical form of member 13R provided vertically at the center of the right side base board 11R; and a slit light generator 14R which is of a cylindrical form, installed and fixed to the tip of the cylindrical member 13R, and irradiates a slit light Os of a guide angleθg same as the preset steering angle of the plural driving wheels to a deck 5a; are provided. The driver carries out the handle operation to make an optical line Ok and a running line L obtained on the deck 5a parallel or coincident each other.
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