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1. 发明授权

US5686775A Brush holder for an electrical machine 失效
标题翻译：电机刷架
公开(公告)号：US5686775A
公开(公告)日：1997-11-11
申请号：US451823
申请日：1995-05-26
申请人： Tobias Veil , Werner Goeb , Siegfried Heger , Burkard Roechner , Thomas Drexlmaier
发明人： Tobias Veil , Werner Goeb , Siegfried Heger , Burkard Roechner , Thomas Drexlmaier
IPC分类号： H01R39/38 , H01R39/39 , H02K13/00
CPC分类号： H01R39/39 , H01R39/38
摘要： A brush holder for an electrical machine, and in particular a hammer brush holder, can include a carbon brush inserted with one of its ends provided with a brush shunt into a pot-shaped receptacle part of the brush holder. The carbon brush is retained in the receptacle part by means of clamping. A reliable clamping of the carbon brush is guaranteed by providing a scraper rib on at least one side wall of the receptacle part and designing it to ascend from the entry slot of the receptacle part toward its pot-like bottom with respect to its height and/or its width pointing into the receiving space of the receptacle part. The brush holder may be manufactured from plastic, and the carbon brush is inserted with a clamp locking force fit into a receiving opening of the brush holder. In order to be able to guarantee a secure fixed seating in any case in spite of the unavoidable tolerances in the case of mass production, at least one side wall of the insertion opening having a protruding scraper rib comes to rest against the carbon brush. The scraper rib is arranged or designed to make contact with the carbon brush in a way that allows lateral and/or vertical variation with increasing insertion depth of the carbon brush.
摘要翻译：用于电机的电刷架，特别是电锤刷架，可以包括一个碳刷，插入其一端设置有刷分流到电刷架的盆形插座部分中的碳刷。碳刷通过夹紧保持在容器部分中。通过在容器部分的至少一个侧壁上设置刮刀肋并将其设计成相对于其高度和/或部分从插座部分的进入槽向其盆形底部上升，可确保碳刷的可靠夹紧，或其宽度指向插座部分的容纳空间。刷保持器可以由塑料制成，并且碳刷被插入夹具锁定力装配到电刷架的接收开口中。尽管在大规模生产的情况下，尽管有不可避免的公差，为了在任何情况下都能够确保安全的固定座椅，具有突出的刮板的插入开口的至少一个侧壁抵靠着碳刷。刮刀肋被布置或设计成与碳刷接触，以允许横向和/或垂直方向随着碳刷的插入深度增加而变化。

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