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1. 发明授权

US4088317A Portable tennis court 失效
标题翻译：便携式网球场
公开(公告)号：US4088317A
公开(公告)日：1978-05-09
申请号：US647080
申请日：1976-01-07
申请人： Joyce Gierla
发明人： Joyce Gierla
IPC分类号： A63B61/00 , A63C19/06
CPC分类号： A63B61/00
摘要： A portable tennis court includes a net assembly consisting of two housings, wherein the net is contained on a reel assembly within one of the housing. The free end of the net assembly is affixed to a mounting rod contained in the other housing whereby the housings can be positioned thirty six feet away from each other. Each housing contains a pair of tape reels therein, wherein tapes are contained on each reel. The tapes are pulled outwardly from the housings to form the boundary lines of the tennis court. Elongated tapes are also provided to form the service lines, end lines, and service box divider line.
摘要翻译：便携式网球场包括由两个壳体组成的网组件，其中网被容纳在一个壳体内的卷轴组件上。网组件的自由端固定到容纳在另一个壳体中的安装杆，由此壳体可以彼此相距三十六英尺定位。每个壳体中包含一对磁带盘，其中磁带容纳在每个卷轴上。磁带从外壳向外拉，形成网球场的边界线。还提供细长带，以形成服务线，终端线和服务箱分隔线。

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