发明名称 Means for maintaining the surface temperature of a playground structure within an ergonomically acceptable range
摘要 A playground structure 201 is provided herein which comprises at least one component 31 having a playing surface 41 thereon, and a heat exchange system adapted to modify the temperature of the playing surface. The heat exchange system may comprise a flow channel 35 disposed in the structure adjacent to the playing surface for the efficient regulation of the surface temperature thereof, a coolant disposed in the flow channel, and a pump 233 or other means for circulating the coolant through the flow channel.
申请公布号 US2004194911(A1) 申请公布日期 2004.10.07
申请号 US20040755189 申请日期 2004.01.09
申请人 MERKLE DENISE LYNN 发明人 MERKLE DENISE LYNN
分类号 A63B9/00;F28F3/12;(IPC1-7):F28F1/00;F24H3/00 主分类号 A63B9/00
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