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1. 发明授权

US5664744A Railway highway crossing signal 失效
标题翻译：铁路公路交叉信号
公开(公告)号：US5664744A
公开(公告)日：1997-09-09
申请号：US500570
申请日：1995-07-11
申请人： James P. Chew , Santo A. DeFrancesco , Richard S. Jones
发明人： James P. Chew , Santo A. DeFrancesco , Richard S. Jones
IPC分类号： B61L5/18 , B61L23/00
CPC分类号： B61L5/1854
摘要： A railway signal having a housing, in which the housing has an annular ledge thereon. The annular ledge has first and second opposed surfaces. One or more portions of the second ledge surface, preferably cast raised bosses, are machined so as to have a selected height. A reflector is mounted upon the first ledge surface. Also attached to the signal housing is a lamp receptacle bracket. The lamp receptacle bracket has a first end that is mounted upon the one or more machined portions of the second ledge surface. The lamp receptacle bracket also has a second end that has a lamp receptacle attached thereto. An insulating plate is disposed between the lamp receptacle flat portion and the lamp receptacle bracket flat surface.
摘要翻译：一种具有壳体的铁路信号，其中壳体在其上具有环形凸缘。环形凸缘具有第一和第二相对表面。第二凸缘表面的一个或多个部分，优选地铸造凸起的凸起，被加工成具有选定的高度。反射器安装在第一凸缘表面上。还附着在信号外壳上的是灯座支架。灯插座支架具有安装在第二凸缘表面的一个或多个加工部分上的第一端。灯座支架还具有连接到其上的灯座的第二端。绝缘板设置在灯插座平坦部分和灯插座支架平坦表面之间。

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