发明名称 Spring arrangement for a recreational structure
摘要 <p>A spring arrangement for a trampoline that includes a rebounding surface (1310), a frame structure (1301) having a top portion and a bottom portion and a plurality of spring members (1303) that are mechanically coupled between the rebounding surface and the frame structure. A first group of spring members (1303) are mechanically coupled to the top portion of the frame structure and a second group of spring members (1303) are mechanically coupled to the bottom portion of the frame structure. In one exemplary embodiment, each spring member of the second group of spring members has a frame hook member that is mechanically coupled to the bottom portion of the frame structure and a bed hook member that includes an end portion that is configured to be within a projection of a body of the spring member and is coupled to the rebounding surface.</p>
申请公布号 EP1721640(A1) 申请公布日期 2006.11.15
申请号 EP20060252465 申请日期 2006.05.10
申请人 ADAMS, CRAIG 发明人 ADAMS, CRAIG;VANELVERDINGHE, JEFFRY L.;MCGEE, CRAIG E.
分类号 A63B5/11 主分类号 A63B5/11
代理机构 代理人
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