发明名称 Device for selectively cleaning debris from a liquid pool
摘要 A device is provided for selectively cleaning debris from the bottom of a liquid pool. The device has a chamber having a water intake tube having an inlet end and extends through the lower end of the chamber and terminates in an outlet end which has a one-way valve mounted thereon. The lower end of the chamber has an opening for dumping water from the chamber. A valve is provided for blocking the opening by the water pressure of the pool and a filter is provided for filtering debris from the water before being dumped through the opening. An ambient air intake tube is connected to the upper end of the chamber and has an opening whereby ambient air can be trapped in the chamber by the operator.
申请公布号 US4935980(A) 申请公布日期 1990.06.26
申请号 US19890367887 申请日期 1989.06.19
申请人 LEGINUS, ALEXANDER;TAYLOR, MARVIN A. 发明人 LEGINUS, ALEXANDER;TAYLOR, MARVIN A.
分类号 E04H4/16 主分类号 E04H4/16
代理机构 代理人
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