| 摘要 |
<p>A signalling device for cycles, including a reflective surface which is movable relative to the cycle frame and driven by the motion of the cycle itself. Said device (1) includes a surface rotatably arranged in a plane perpendicular to the moving direction of the cycle (3), while said surface includes at least one reflective portion (8) coplanar with or parallel to the plane of said surface (4).</p> |
