发明名称 EXPANDING CONNECTION APPARATUS FOR RAIL
摘要 PURPOSE: A coupling expansion method of a rail is provided to prevent noise and sudden impact. CONSTITUTION: A coupling expansion method of a rail comprises first and second inclined surfaces(11, 21), a connection plate, and a coupling unit(5). The first and the second inclined surfaces are formed on the connection portion of first and second rails to form buffering space. The connection plate is attached to the both sides of the first and the second rails. The coupling unit couples the first and the second rails and a connection plate.
申请公布号 KR20120128354(A) 申请公布日期 2012.11.27
申请号 KR20110046244 申请日期 2011.05.17
申请人 发明人
分类号 E01B11/24 主分类号 E01B11/24
代理机构 代理人
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