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3. 发明授权

US4303238A Diving board with enhanced tip performance 失效
标题翻译：潜水板具有增强的尖端性能
公开(公告)号：US4303238A
公开(公告)日：1981-12-01
申请号：US876208
申请日：1978-02-09
申请人： Raymond C. Rude
发明人： Raymond C. Rude
IPC分类号： A63B5/10 , A63B5/08
CPC分类号： A63B5/10 , A63B2208/12 , A63B2244/203
摘要： A diver's springboard comprises a top plate having a flat upper surface which extends between a base end and a tip end of the board. A plurality of longitudinally extending, spaced parallel ribs are connected to the underside of the top plate and define a plurality of downwardly opening longitudinal spaces. The ribs are displaced outwardly from either side of a longitudinal centerline of the top plate. An upwardly opening channel-shaped torsion brace is anchored to the underside of the top plate and extends longitudinally of the top plate between the innermost ones of the ribs. A plurality of elongate openings are formed through the top plate in a selected area of the top plate upper surface which extends from a location proximately adjacent to the tip end of the board for a selected distance along the board toward its base end. The openings are formed through the top plate between the innermost ribs and the longitudinal edges of the top plates. The openings have their elongate extents aligned parallel to the centerline.
摘要翻译：潜水员的跳板包括具有平坦的上表面的顶板，该平坦的上表面在基板的基端和顶端之间延伸。多个纵向延伸的间隔开的平行肋连接到顶板的下侧并且限定多个向下开口的纵向空间。肋从顶板的纵向中心线的任一侧向外移位。向上开口的通道形扭转支架锚定在顶板的下侧，并且在最内侧肋之间的顶板的纵向延伸。多个细长的开口通过顶板形成在顶板上表面的选定区域中，该板从上板的尖端附近的位置延伸，沿着板朝向其基端一段选定的距离。这些开口通过顶板在最内侧肋与顶板的纵向边缘之间形成。这些开口具有与中心线平行的细长范围。

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