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    • 1. 发明申请
    • HEAD FOR IN-FLOOR POOL CLEANING SYSTEM
    • 室内洗手池清洁系统
    • WO2011119510A2
    • 2011-09-29
    • PCT/US2011/029273
    • 2011-03-21
    • BLUE SQUARE MANUFACTURING, LLCMALINASKY, Paul, Gerald
    • MALINASKY, Paul, Gerald
    • E04H4/16
    • E04H4/169B05B3/16B05B15/70B05B15/74E04H4/1681F16K11/074F16K31/12Y10T137/7754Y10T137/86509
    • A cleaning head for an in-floor pool cleaning system includes a sleeve with a top opening and an insert configured to be retained within the sleeve. The insert has a first body portion with an aperture wherein the first body portion is configured to fit through the top opening, and a second body portion that is configured to not fit through the top opening. A passage runs through the insert to the aperture. The insert has a first position in which it is retained in the sleeve. When water pressure is applied to the bottom of the cleaning head, the insert is moved upward to a second position so the aperture extends beyond the top opening in the sleeve and pressurized water exists the aperture to move debris. The cleaning head also includes a conical spring to bias the insert towards the first position.
    • 用于室内游泳池清洁系统的清洁头包括具有顶部开口的套筒和被配置为保持在套筒内的插入件。 插入件具有带有孔的第一主体部分,其中第一主体部分构造成通过顶部开口配合,以及第二主体部分,其构造成不配合穿过顶部开口。 通道穿过插入物到孔。 插入件具有保持在套筒中的第一位置。 当水压被施加到清洁头的底部时,插入件向上移动到第二位置,使得孔径延伸超过套筒中的顶部开口,并且加压水存在孔以移动碎屑。 清洁头还包括锥形弹簧,以将插入件朝向第一位置偏置。