发明名称 Yo-yo having a multi-image lenticular instruction system
摘要 A yo-yo having a multi-image lenticular instruction system. The system is incorporated into at least one of the yo-yo's side members via a side cap that is secured to the side member and is readily visible. The instruction system functions by displaying sequential images showing how to perform a predetermined yo-yo trick. A user can manually manipulate the yo-yo to display the images in either a forward or reverse order and at any speed the user desires. By watching the images, the user can easily see how to perform the displayed yo-yo trick.
申请公布号 US6089945(A) 申请公布日期 2000.07.18
申请号 US19990225139 申请日期 1999.01.04
申请人 PLAYMAXX, INC. 发明人 VAN DAN ELZEN, THOMAS J.
分类号 A63H1/22;A63H1/30;(IPC1-7):A63H1/30;G03B25/02 主分类号 A63H1/22
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