| 摘要 |
PROBLEM TO BE SOLVED: To provide a caster for getting over a step capable of being attached to a wheelchair or the like, and capable of smoothly getting over, a small step and a large step.SOLUTION: There is provided the caster for getting over a step configured so that: a step movement board is provided between two wheels, the step movement board can be vertically adjusted for adjusting an interval between a ground plane 31 of wheels and a step contact surface of the step movement board, and the height from the ground plane to the step movement board can be held.SELECTED DRAWING: Figure 1 |
