发明名称 Toy vehicle track intersection
摘要 A track intersection for use with a plurality of other track sections to form a trackway for passage of toy vehicles thereon, the intersection having a curved trackway section having generally parallel opposed sidewalls of height generally equal to the height of the toy vehicle. The intersection is provided with an elevated roadway portion at the height of the sidewalls, the elevated roadway portion having first and second trackways, the first trackway being generally tangential to the exit end of the curve to permit a toy vehicle to enter the first trackway and leave the intersection through the exit end of the curve. The second trackway generally intersects the first trackway to permit a toy vehicle to leap the curve on the elevated roadway portion.
申请公布号 US4140276(A) 申请公布日期 1979.02.20
申请号 US19770863592 申请日期 1977.12.22
申请人 MATTEL, INC. 发明人 HALFORD, WAYNE R.
分类号 A63H18/02;(IPC1-7):A63H18/02 主分类号 A63H18/02
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