发明名称 Intelligent toy ball
摘要 The present invention relates to an intelligent toy ball, comprising a transparent sphere, a ball bearing bracket enclosed inside the sphere, a colored ball bearing, and two retaining rings that are enveloped on the ball bearing bracket to position the sphere, wherein the ball bearing bracket is provided with a continuous, curved figure-8 track, such that the ball bearing can roll inside the track, and when a user holds the sphere with two hands, he/she can continuously change his/her hand position to facilitate the dual use of hands and brain for educational and entertainment purposes.
申请公布号 US7152862(B1) 申请公布日期 2006.12.26
申请号 US20060348621 申请日期 2006.02.06
申请人 CHIU I-CHENG 发明人 CHIU I-CHENG
分类号 A63F7/00 主分类号 A63F7/00
代理机构 代理人
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