| 摘要 |
PROBLEM TO BE SOLVED: To provide a reflection board device for preventing rear end collision accident, for making a cycle which travels by direct advance, or by meander in dark night conspicuous from a distant point.SOLUTION: Retroreflective sheets are provided on both end faces of a wide transparent oval-shape, a notch part is provided on a protruding reflection board body, and the protruding reflection board body is formed to be fitted to three spokes. When the protruding reflection board body is illuminated by light through a space between a tire and accessory arrangement, the protruding reflection board body sparkles brightly, so that the cycle can be viewed from a distant point.SELECTED DRAWING: Figure 2 |
