| 摘要 |
Apparatus for detecting a high flange on the wheel of a railroad car having a base member secured to the track; an upright element secured to the base member; an L-shaped unit, having a horizontal arm positioned adjacent to the track and a vertical leg extending underneath the base member, pivotally connected to the upright element; and a signal device connected to the leg of the L-shaped unit for giving a visual signal when a flange having an excessive depth passes over the arm and displaces the arm thereby moving the leg to activate the signal device.
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