发明申请
US20130153526A1 Railroad freight car draft gear assembly 有权
铁路货车起落架组装

Railroad freight car draft gear assembly
摘要:
A railcar draft gear assembly having an axially elongated spring assembly comprised of an axially stacked array of individual spring units and further including cooperating instrumentalities for maintaining the spring assembly generally axially aligned with a longitudinal axis of the railcar draft gear assembly during operation of the draft gear assembly while maintaining the individual spring units in generally aligned relation relative to each other.
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