发明名称 |
Railroad frog assembly with multi-position holdback |
摘要 |
<p>A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly (32) that continuously retains the spring wing rail (28) in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly (20), and that automatically deactivates the multi-position holdback subassembly (32) and releases the spring wing rail (28) from retention in an open condition and for complete closing after the last railcar wheel has passed through the frog assembly (20). <IMAGE></p> |
申请公布号 |
EP1029979(A1) |
申请公布日期 |
2000.08.23 |
申请号 |
EP20000200444 |
申请日期 |
2000.02.11 |
申请人 |
ABC-NACO INC. |
发明人 |
KUHN, STEPHEN R.;YOUNG, KEITH;PETKOV, IIIA |
分类号 |
B61L11/04;B61L11/08;E01B7/14;(IPC1-7):E01B7/14 |
主分类号 |
B61L11/04 |
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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