| 摘要 |
<p>The wheel has a finger (22) comprising a part (22a) situated at side of a felloe and a part (22b) situated at end side of the finger that terminates stem of teeth (18) arranged on the felloe. The part (22b) has a thickness equal to half of thickness of the part (22a). A boundary between the parts defines a sill (22c) forming a concave wall. The part (22b) and the sill form a limited space assuring a cruet function.</p> |
