发明名称 Swimming pool ladder securement device
摘要 There is provided a securement device for a swimming pool ladder having tubular ladder rails which are hingedly connected to anchors mounted in the swimming pool deck which permits quick detachment and reattachment of the swimming pool ladder to the anchors. Each securement device includes a ferrule capping the end of the tubular ladder rail adjacent the pool deck which is hingedly connected to the respective anchor in the pool deck, an expandable locking mechanism coupled to the ferrule and extending into the tubular ladder rail which expands into locking engagement with the inside wall of the tubular ladder rail and which is expanded and relaxed by a device associated with the ferrule.
申请公布号 US4552245(A) 申请公布日期 1985.11.12
申请号 US19840650175 申请日期 1984.09.13
申请人 LINDBERG, JR., ALBERT W. 发明人 LINDBERG, JR., ALBERT W.
分类号 E04H4/14;E06C9/08;(IPC1-7):E06C9/08 主分类号 E04H4/14
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