发明申请
- 专利标题: Railroad freight car draft gear assembly
- 专利标题(中): 铁路货车起落架组装
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申请号: US13374160申请日: 2011-12-14
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公开(公告)号: US20130153526A1公开(公告)日: 2013-06-20
- 发明人: Donald E. Wilt , Keith A. Salis , Lawrence W. Hanson
- 申请人: Donald E. Wilt , Keith A. Salis , Lawrence W. Hanson
- 主分类号: B61G9/14
- IPC分类号: B61G9/14 ; B61G9/12
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.
公开/授权文献
- US08870002B2 Railroad freight car draft gear assembly 公开/授权日:2014-10-28