| 摘要 |
<p>In a railroad switch for use with intersecting railroad rails and having two switch points interconnected by a switch machine between two switch point assemblies and connected thereto by an operating rod at each end of the switch machine, a system for a greaseless switch point assembly having a mounting clip and a pivot pin for connecting each operating rod to its associated switch point, the greaseless switch point assembly having a bushing proximate a part of the pivot pin that fits within an opening in the mounting clip, and an insertion device extending into the opening proximate the bushing.</p> |
