| 摘要 |
<p>The invention concerns a step board and the object of the invention is to provide a step board provided with a braking device to be stable and good in steering and propulsion performance. The step board of the invention in order to achieve the aforementioned object is characterized by comprising a first frame in which a directional caster is equipped at the front end and the back end of a main axis, respectively, a left foothold being extending left upward in the middle of the main axis in length, and a right foothold extending right upward, a second frame crossing the main axis and extending in the right and left directions, a directional caster being provided at each of the right and left ends thereof, and hinge-coupled to the first frame, and a plurality of coil springs one end of which is coupled to the first frame and the other end of which is coupled to the left and right sides of the second frame, respectively.</p> |
