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    • 5. 发明授权
    • Concealed horizontal sidewall sprinkler arrangement
    • 隐蔽水平侧壁喷洒器布置
    • US06374919B1
    • 2002-04-23
    • US09551080
    • 2000-04-18
    • John Neill
    • John Neill
    • A62C3708
    • A62C37/11A62C37/09
    • In the representative embodiments described in the specification, a concealed horizontal sidewall sprinkler has a sprinkler body adapted to be connected to a source of fire extinguishing liquid. A cover support is mounted substantially concentrically to the sprinkler body and has a threaded cylindrical wall extending away from the source of fire extinguishing liquid. The threaded cylindrical wall engages a sleeve which at one end has a slotted cylindrical portion with helically arranged projections to be received in the threads of the threaded cylindrical wall of the cover support. The other end of the sleeve has a flange with a plurality of tabs extending away from the cylindrical portion. A cover is attached by solder to the tabs extending from the flange of the sleeve. The cover also has four slots and is spaced from the flange of the sleeve by the tabs forming an annular gap. Two springs affixed to the flange are interposed between the flange and the cover for urging the cover away from the sleeve when the solder fuses at elevated temperatures. The cover can be frustoconical in shape and the centerline of each slot in the cover can extend substantially in a plane with the axis of the frustoconically shaped cover.
    • 在说明书中描述的代表性实施例中,隐蔽的水平侧壁喷洒器具有适于连接到灭火液源的喷洒器主体。 盖支撑件基本上同心地安装到喷洒器主体上,并且具有远离灭火液源延伸的螺纹圆柱形壁。 带螺纹的圆柱形壁与套筒接合,该套筒的一端具有开口的圆柱形部分,螺旋形布置的突起被容纳在盖支撑件的螺纹圆柱形壁的螺纹中。 套筒的另一端具有凸缘,该凸缘具有从圆柱形部分延伸的多个凸片。 通过焊料将盖子连接到从套筒的凸缘延伸的突片。 盖子还具有四个槽,并且通过形成环形间隙的翼片与套筒的凸缘间隔开。 固定在凸缘上的两个弹簧介于凸缘和盖之间,当焊料在升高的温度下熔化时,将盖远离套筒推动。 盖可以是截头圆锥形的,并且盖中的每个槽的中心线可以基本上在与截头圆锥形盖的轴线的平面中延伸。