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    • 6. 发明授权
    • Fence valve with indicator
    • 带指示器的围栏阀
    • US09371640B2
    • 2016-06-21
    • US14208703
    • 2014-03-13
    • SDB IP Holdings, LLC
    • Shawn D. BushRyan W. Nottage
    • E03D9/00E03D11/00E03F7/00
    • E03F7/00E03D11/00E03F2201/40
    • A fence valve to catch material introduced into a pipe includes a housing defining a chamber and a catch plate disposed within the chamber that is movable with respect to the housing. The catch plate includes at least one magnetic region. The valve further includes a magnetic body in communication with at least a portion of the chamber, an indicator in communication with the catch plate, and a cable having a first end secured to the catch plate and a second end secured to a hook. The catch plate is transitionable from a first position in which the catch plate is disposed at a first location within the chamber, to a second position in which the catch plate is displaced from the first location. The catch plate is detachably held in the first position by interaction between the at least one magnetic region and the magnetic body.
    • 用于捕获引入管道的材料的栅栏包括限定室的壳体和设置在室内的捕获板,所述捕获板可相对于壳体移动。 捕获板包括至少一个磁性区域。 所述阀还包括与所述室的至少一部分连通的磁体,与所述止动板连通的指示器,以及具有固定到所述止动板的第一端和固定到钩的第二端的电缆。 挡板可从第一位置转换到第二位置,在第二位置,止动板被设置在腔室内的第一位置处,第二位置中止动板从第一位置移位。 所述止动板通过所述至少一个磁性区域和所述磁性体之间的相互作用而可拆卸地保持在所述第一位置。