| 摘要 |
<p>PURPOSE:To provide the drum in structure which is easily assembled. CONSTITUTION:A lug nut storage hole 12 wherein a lug nut 2 is clamped and stored is formed in the reverse surface of a shell ring 1 and the lower part of the lug nut storage hole is closed with a nut cover 14 to prevent the lug nut 2 from coming out; and a cushion material 13 is interposed between the lug nut and nut cover 14 and the lug nut is pressed elastically to support the lug nut tiltably.</p> |
