发明名称 |
RAILROAD FROG ASSEMBLY WITH MULTI-POSITION HOLDBACK |
摘要 |
A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly, and that automatically deactivates the multi-position holdback subassembly and releases the spring wing rail from retention in an open condition and for complete closing after the last railcar wheel has passed through the frog assembly.
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申请公布号 |
CA2299198(A1) |
申请公布日期 |
2000.08.17 |
申请号 |
CA20002299198 |
申请日期 |
2000.02.16 |
申请人 |
ABC RAIL PRODUCTS CORPORATION |
发明人 |
PETKOV, ILIA;YOUNG, KEITH;KUHN, STEPHEN R. |
分类号 |
B61L11/04;B61L11/08;E01B7/14;(IPC1-7):E01B7/10 |
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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