| 摘要 |
PROBLEM TO BE SOLVED: To provide a movable body which easily changes a traveling direction of wheels, and to provide a ramp device using the movable body.SOLUTION: A base includes: support wheels supporting the base; driving wheels 20 having motors; and a rotation driving mechanism 95 which changes directions of the driving wheels 20. The rotation driving mechanism 95 includes a guide wheel 92 and guide parts 85, 88 serving as lifting means which allows the driving wheels 20 to land on a floor or separate from the floor to easily change a traveling direction of the base 3 at the location.SELECTED DRAWING: Figure 5 |
