Lightweight yoke for railway coupling
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United States of America Patent
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-
Nov 1, 2016
Grant Date -
Dec 11, 2014
app pub date -
May 8, 2014
filing date -
Nov 15, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
E-type and F-type yokes improve the ability of the yokes to be constructed having lighter weight yet function to handle loads from car coupling assembly components, such as, for example, a coupler mounted on the yoke. The E-type and F-type yokes have straps and openings provided in the straps, and are constructed from austempered ductile iron. Embodiments may be constructed with a tail or butt portion that includes sloped walls that form cavities in the butt portion of the yoke, where a supporting structure spans between the yoke rear wall and the draft gear seat wall.
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