| 摘要 |
A skateboard equipped with a durable caster is provided to improve rotation of the caster according to the fluctuation of the board. A skateboard comprises a bearing housing(110), upper and lower bearings(120,130), a spacer(140), and a coupling member(150). The bearing housing comprises: a bearing receptacle having a mounting hole of which inner diameter is small; and an arm portion in which a wheel is mounted. The upper and lower bearings are inserted into both external diameter of the mounting hole. The spacer comes into contact with inner wheels of the bearings while being located at the inner diameter of the mounting hole and being interposed between bearings. The coupling member comprises a connection unit penetrating the mounting hole and a head unit.
|
