| 摘要 |
An improved knuckle pin for use in a railway car coupling is illustrated and described. In one example, the pin comprises a shank extending along a longitudinal axis and having a first end. A head is positioned on the first end of the shank, and includes an abutment surface and a top surface opposite the abutment surface. At least one lug extends from the top surface of the head along the longitudinal axis to provide a point of engagement for a hand or hand tool to allow rotation of the pin about the longitudinal axis.
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