Railroad car coupler assembly knuckle pin
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Apr 19, 2022
Grant Date -
Dec 26, 2019
app pub date -
Jun 17, 2019
filing date -
Jun 17, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A railroad car coupler assembly knuckle pin including an elongated cylindrical tubular body having an upper end portion, a lower end portion spaced apart from the upper end portion, and an intermediate portion between and connecting the upper end portion and the lower end portion, the body including an elongated cylindrical wall that defines an elongated cylindrical central opening and an elongated slot that extends the length of the wall, a first ring integrally connected to and outwardly extending from a first area of the upper end portion of the body, a second ring integrally connected to and outwardly extending from a second area of the upper end portion of the body, the second ring spaced apart from the first ring along the body, the first ring defining a plurality of first stress relief slots, and the second ring defining a plurality of second stress relief slots.
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