发明名称 Playground equipment
摘要 Playground equipment comprising a revolving ring for standing or sitting on is according to the invention composed of ring segments (1) which are connected by means of connecting pieces (2) for forming a closed ring. The revolving ring is mounted somewhat above the base by means of legs (3) and by adapting the length of the legs, an inclined revolving plane may be obtained. The structure itself comprises a stationary ring (5, 6) on which a revolving ring (4) provided with wheels or rolls (9, 10) may roll. The revolving ring (1) fits tightly about the stationary part of the playground equipment and it is not possible to separate the parts apart once the playground equipment has been assembled and held together by means of locking rings (12).
申请公布号 US2002010061(A1) 申请公布日期 2002.01.24
申请号 US20010805739 申请日期 2001.03.13
申请人 FRANK JOHN 发明人 FRANK JOHN
分类号 A63G1/14;(IPC1-7):A63B26/00 主分类号 A63G1/14
代理机构 代理人
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