作者: James F. Shockley , James F. Brady , Mark E. Kane
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摘要: A mount base has two movable arms with jaws mounted thereon for engaging the coupler head surface adjacent and interior of relief or core holes formed in head. The are operated upwardly downwardly via a pair scissor links that opened closed by way threaded rod between link carrier moves forwardly to open rearwardly close disengaging from device is designed engage either pairs vertically disposed spaced holes. adapted carry signaling monitoring equipment required on last car railroad train.