发明名称 |
Mobile tie gang apparatus |
摘要 |
A mobile apparatus for sequentially exchanging selected consecutive groups of old ties for groups of new ties while retaining a groups of old ties between the selected old ties for support of the mobile apparatus on the railroad track, which apparatus comprises an elongated bridge-like work vehicle having two undercarriages supporting respective opposite ends of the work vehicle on the railroad track, and a succession of different individual devices mounted on the work vehicle between the undercarriages and operative to effectuate different sequential operations for exchanging the selected old ties for the new ties.
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申请公布号 |
US4884509(A) |
申请公布日期 |
1989.12.05 |
申请号 |
US19890302058 |
申请日期 |
1989.01.25 |
申请人 |
FRANZ PLASSER BANNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M.B.H. |
发明人 |
THEURER, JOSEF;HANSMANN, JOHANN;OELLERER, FRIEDRICH |
分类号 |
E01B29/10 |
主分类号 |
E01B29/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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