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1. 发明授权

US5415557A Busway tap off base assembly for preventing the ingress of dust and liquids 失效
标题翻译：母线槽分接基座组件，用于防止灰尘和液体进入
公开(公告)号：US5415557A
公开(公告)日：1995-05-16
申请号：US113564
申请日：1993-08-27
申请人： Donald L. Chapman , Debora L. Good , Michael S. Young
发明人： Donald L. Chapman , Debora L. Good , Michael S. Young
IPC分类号： H01R13/447 , H01R13/52 , H02G5/06 , H02G5/08
CPC分类号： H02G5/08 , H01R13/447 , H02G5/06 , H01R13/5202 , H02G5/005
摘要： A tap-off base assembly of the present invention provides protection against the ingress of dust and liquids into an electrical busway distribution system of the type having access openings for receiving power tap-off devices. The tap-off base assembly includes a base molded from an electrically insulating material and a pivotally attached door. A tap-off opening seal is placed on the housing around the tap-off opening. The base is slidably received in the busway tap-off opening such that the seal is compressed thereby sealing the tap-off opening. The base has a planar outside surface which includes a number of access openings. Each access opening provides access to one the electrical conductors contained within the busway housing. The door may be selectively moved between an open position which provides access to the electrical conductors and a closed position which prohibits access to the conductors. The door also has a flange around its perimeter and a sealing rib which extend outward from the inside surface of the door. When the door is in the closed position the flange overlaps an edge portion of the base and the sealing ribs are pressed against a gasket in the planar outside surface of the base which surrounds the access openings thereby sealing the access openings and preventing the ingress of dust and liquids into the busway housing. A latch is provided for securing the door in its closed position.
摘要翻译：本发明的脱水基座组件提供防止灰尘和液体进入具有用于接收电力分接装置的进入开口的类型的母线通道分配系统中的保护。脱水基座组件包括由电绝缘材料和枢轴连接的门模制的基座。分接开口密封件放置在分接开口周围的壳体上。基座可滑动地容纳在母线槽分接开口中，使得密封件被压缩，从而密封分接开口。基座具有包括多个通路孔的平坦的外表面。每个进入开口提供对包含在母线槽外壳内的一个电导体的访问。门可以选择性地在提供对电导体的访问的打开位置和禁止访问导体的关闭位置之间移动。该门还具有围绕其周边的凸缘和从门的内表面向外延伸的密封肋。当门处于关闭位置时，凸缘与基座的边缘部分重叠，并且密封肋被压靠在围绕入口的基座的平面外表面中的垫圈上，从而密封通道开口并防止灰尘进入并将液体进入母线槽外壳。提供用于将门固定在其关闭位置的闩锁。

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