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1. 发明授权

US4895324A Reusable derailment detection and signaling device 失效
标题翻译：可重复使用的脱轨检测和信号装置
公开(公告)号：US4895324A
公开(公告)日：1990-01-23
申请号：US296081
申请日：1989-01-12
申请人： Don R. Buckles
发明人： Don R. Buckles
IPC分类号： B61L1/20 , B61L13/02 , B61L23/04
CPC分类号： B61L23/00 , B61L1/20 , B61L13/02
摘要： A portable, reusable derailment signaling device has an elongated base, clamps on each end of the base adapted to affix the base firmly to the pedestals of spaced railroad tracks with the base positioned between the pedestals. Restraining shoulders are located on the base adjacent each end, and a cable is attached at its ends to the restraining shoulders and extends therebetween under substantial tension. One of the restraining shoulders has a movable segment to which the cable end is attached such that derailment force applied to the cable in a generally normal direction to its axis will cause the cable to deflect from its axis and cause the segment to move to actuate a transmission unit on the base that is electrically energizable to emit a radio signal. And an electrical power unit on the base is in electrical communication with the transmission unit and is actuable by movement of the segment to energize the transmission unit to emit a signal.
摘要翻译：便携式可重复使用的脱轨信号装置具有细长底座，底座的每个端部上的夹具适于将基座牢固地固定到间隔开的铁路轨道的基座上，其中底座位于基座之间。约束肩部位于与每个端部相邻的基部上，并且电缆在其端部附接到约束肩部并且在相当大的张力下在其之间延伸。约束肩部之一具有可移动部分，电缆端部附接到该可动部分，使得沿着与其轴线大致正交的方向施加到电缆的脱轨力将导致电缆从其轴线偏转并使部件移动以致动部件传输单元在基座上是可激励的，以发射无线电信号。并且基座上的电力单元与传输单元电气通信，并且可以通过段的移动来致动，以激励传输单元发出信号。

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