| 摘要 |
PROBLEM TO BE SOLVED: To tilt a load-carrying platform for loading a wheel chair in accordance with the tilt angle of a step, by connecting a vehicle body and a load- carrying platform by a cylinder type telescopic means, and providing an electrifying member in a vessel on a tilt sensor equipped in the load-carrying plarform to electrify the telescopic means by moving the electrofying member to expand and contact the telescopic means. SOLUTION: The rear part of a load-carrying platform 4 is journaled tiltably to a vehicle body 2, and caster wheels 41 and 42 protruded downward are provided on the front and rear parts of the plarform 4. When an electric cylinder 8 is extended, the caster wheels 41 and 42 are lifted upward following the upward tilt of the platform 4 to ground the crawler device 3. Consequently, the platform 4 is tilted in accordance with the tilted angle of a step, and a person on a wheel chair can optimumly ascend and descend the step without sensing fear and uncomfortable feelings. |
