发明名称 Apparatus for cleaning a body of liquid
摘要 A swimming pool cleaning apparatus carries a scraper and deflecting member along one side of a mouth defined by a receptacle of the apparatus and in advance thereof. The scraper and deflecting member has a blade inclined towards the mouth and having a leading edge that may scrapingly engage a wall or floor of the swimming pool. The scraper and deflecting member is pivotally mounted on the apparatus by means of two legs that extend from the ends of the blade. The blade has two ribs on its underneath surface parallel to its leading edge which assist in scraping the walls of the swimming pool.
申请公布号 US4776954(A) 申请公布日期 1988.10.11
申请号 US19860927878 申请日期 1986.11.07
申请人 SPOONER EST 发明人 BROOKS, DAVID A.
分类号 E04H4/16;(IPC1-7):E04H3/20 主分类号 E04H4/16
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