发明名称 Portable prefabricated skateboard track - has several interlocking reinforced plastics curved and banked sections arranged on flat base surface
摘要 <p>The portable track is use with skateboards and is composed of several sections forming banks and curves. These are laid on an existing flat surface as a base and arranged to suit the required track configuration. They can be taken up again after use. Each section 1-3) of track is moulded from a suitable reinforced plastics material and three or more are joined together to form curved and banked sections including elevations and gradients. The joints (4) between the individual sections are all interchangeable and are in the form of projections entering into corresponding grooves to give a smooth transition surface.</p>
申请公布号 FR2390181(A1) 申请公布日期 1978.12.08
申请号 FR19780013537 申请日期 1978.05.08
申请人 FRANKE RAINER 发明人
分类号 A63C19/10;E01C13/00;(IPC1-7):63C19/10 主分类号 A63C19/10
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