发明名称 Wheel device for carrier
摘要 A wheel device for a carrier comprises a wheel, a shaft, a clipping fastener and a cover. The shaft passes through the wheel and has a channel at one end. The clipping fastener has a plurality of radical curved claws inwardly extending from an outer portion thereof and the claws are engaged into the channel to pivotally secure the wheel around the shaft. The cover has a connecting structure such as a snap-fit or a screw at an inner surface thereof for engaging with the clipping fastener.
申请公布号 US2011084545(A1) 申请公布日期 2011.04.14
申请号 US20030440786 申请日期 2003.05.19
申请人 CHEN SHUN-MIN 发明人 CHEN SHUN-MIN
分类号 B60B37/10;B60B37/00 主分类号 B60B37/10
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