| 摘要 |
Ball wheel that allows to move a load with linear, angular or however oriented movements and is apt, moreover, if posited upside down, to form a bearing element for a substantially flat surface sliding over it, with an orientation whatsoever as well. The ball wheel comprises a support (1), applied to the mobile means, resting onto a ball (10) by means of a plurality of small wheels (9), there being provided means apt to line up said small wheels (9) in the rolling direction of the ball (10) for any change of direction. |
