发明名称 Tennis net winder
摘要 A tennis net winder for positioning within a tennis net support post, the tennis net winder comprising a frame having a face plate, having a plurality of apertures for securing the tennis net winder to the support post, the face plate having rearwardly extending support walls secured by a rear wall, the rear wall and face plate having aligned apertures for support of a worm gear member, the extending support walls having aligned apertures for support of a beveled gear and take up drum assembly, the face plate having a generally longitudinal rectangular opening aperture having a guide roller slidably mounted on a cross bar, the tennis net cable passing under the guide roller and through the take up drum, the take up drum being formed with a helical groove such that operation of the worm gear by a crank handle takes up or releases cable on the take up drum, the take up assembly, the winder assembly and frame being coated with a weather impervious coating, such as gold plating.
申请公布号 US7201677(B1) 申请公布日期 2007.04.10
申请号 US20060429603 申请日期 2006.05.08
申请人 J.A. CISSEL MFG. CO. 发明人 HELLERSON ROBERT K.
分类号 A63B61/02 主分类号 A63B61/02
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