发明名称 |
Sleeper of steel or similar material |
摘要 |
A sleeper for receiving and securing a pair of railway rails has openings for receiving the rails for screw-less mounting. Either one or both flanges of the rail foot is secured in the opening by cooperation with a lug of the sleeper. The lug or lugs may be bendable in order to be open for mounting and closed by bending upon mounting for securing the rail. A supporting plate may be provided on the bottom of the opening and may have a resilient layer applied thereon.
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申请公布号 |
US4106696(A) |
申请公布日期 |
1978.08.15 |
申请号 |
US19760733889 |
申请日期 |
1976.10.19 |
申请人 |
ANDERSSON, JOSEF CARL-OLOF |
发明人 |
ANDERSSON, JOSEF CARL-OLOF |
分类号 |
E01B3/16;(IPC1-7):E01B3/16;E01B9/22 |
主分类号 |
E01B3/16 |
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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