| 摘要 |
<p>PURPOSE:To provide a wheel having low rolling resistance, and able to make use of side wind to act at angles on the surface formed by a wheel, as an aid of driving force. CONSTITUTION:In a synthetic resin-made wheel 1 composed of a ring-like rim 2, a boss 4 to which an axle can be provided and a plurality of spokes 3, 3,... for connecting the rim 2 to the boss 4, aid means provided with two surfaces 11, 11, and having the sectional shape formed into an approximately triangular are provided on the rear sides of the spokes 3, 3 as seen in the rotational direction so that the side corresponding to the bottom side may be positioned on the sides of the spokes 3, 3....</p> |
