发明名称 Water recreational apparatus with rotating filter doors
摘要 A water recreational apparatus has a water basin, a filter and a pump. The side walls of the water basin have side doors to allow the flow of water from the water basin to the filter. A spring or other biasing means is provided to bias the side wall doors to a closed position when the pump is not operating, but allowing the side doors to open when the pump is operating.
申请公布号 US6654972(B1) 申请公布日期 2003.12.02
申请号 US20020268221 申请日期 2002.10.09
申请人 CALIFORNIA ACRYLIC INDUSTRIES, INC. 发明人 LOYD CASEY;VARGAS PEDRO
分类号 A61H33/00;E04H4/12;(IPC1-7):E04H4/00 主分类号 A61H33/00
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