发明名称 In line roller skate assembly having training wheels
摘要 A roller skate assembly includes a sole portion having longitudinally aligned front and rear rollers mounted thereon and a center roller which is mounted on the sole portion between the front and rear rollers. The center roller is alternatively positionable in a longitudinally aligned position relative to the front and rear rollers or a transversely offset position relative thereto.
申请公布号 US5295701(A) 申请公布日期 1994.03.22
申请号 US19930045617 申请日期 1993.04.09
申请人 PLAYSKOOL, INC. 发明人 REIBER, FREDERICK M.;SEJNOWSKI, JOSEPH P.
分类号 A63C17/04;A63C17/06;(IPC1-7):A63C17/04 主分类号 A63C17/04
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