| 摘要 |
<p>A hand-toboggan to accommodate a seated or knealing rider and having a bottom surface (7) with a longitudinally extending medial portion (16) and two opposite flanks (19.20) upwardly and outwardly inclined from the medial portion, a pair of parallel longitudinally extending ribs (17) bordering the medial portion, and a plurality of parallel inwardly curving ribs (21,22) on each of said flanks to enable the rider to turn the toboggan in whichever direction he should lean.</p> |
