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    • 5. 发明授权
    • Adjustably lockable bar hanger for ceiling boxes and the like
    • 用于吊顶盒等的可调节锁定的吊架
    • US4165851A
    • 1979-08-28
    • US837620
    • 1977-09-28
    • Wade R. Bowden, Jr.Walter C. Lewis
    • Wade R. Bowden, Jr.Walter C. Lewis
    • H02G3/12F16L5/00
    • H02G3/126Y10S248/906Y10T403/32451
    • An adjustably lockable bar hanger support for mounting a ceiling box or the like to a floor/ceiling joist includes a male and a female support member each being generally L-shaped and each having a generally elongate leg adapted for slidable telescoping engagement with the elongate leg of the other member and a relatively short leg adapted for attachment to the joist. As preferably embodied, the male member elongate leg is slidable within the female member elongate leg, and the female member is formed with a detent tab of its elongate leg, which is adapted to be deflected into a receiving aperture formed in the elongate leg of the male member for locking the male and female members in assembled relationship when the tab and aperture are aligned. Advantageously, at least two receiving apertures are formed in the male member elongate leg at locations which, when positioned adjacent the detent tab, correspond to predetermined inter-joist spacings. Also advantageously, and as preferably embodied, the apertures are sufficiently long to enable small adjustments to the length of the assembled bar hanger for accommodating irregularities in or variations from the nominal inter-joist spacing when mounting the hanger support to the joists.
    • 用于将吊顶盒等安装到地板/天花板托梁上的可调节地锁定的吊架支撑件包括一个凸形和凹形的支撑构件,每个均为大致L形,并且每个都具有适于与细长腿滑动地伸缩接合的大致细长的腿 的另一个构件,并且相对较短的腿适于附接到托梁。 如优选实施的,阳构件细长腿可在阴构件细长腿内滑动,并且阴构件形成有其细长腿的制动片,其适于偏转成形成在细长腿的细长腿中的容纳孔 凸形构件,用于当凸起和孔对齐时,以组装的关系锁定阳构件和阴构件。 有利的是,在阳构件细长腿中形成有至少两个接收孔,当位于邻近止动片时,它们对应于预定的彼此间的间隔。 同样有利的是,并且优选地具体实施,孔足够长,以便能够对组装的棒衣架的长度进行小的调整,以便在将衣架支撑件安装到托梁时适应不规则性或与标称互助间间隔的变化。