发明名称 Retaining wall block
摘要 A retaining wall is made from a plurality of blocks arranged in rows superimposed on each other and pinned together. Each block has a body with an exterior face and rearwardly diverging side walls joined to a neck. A head having outwardly directed ears is joined to the neck. The body has holes and pockets for pins that interlock overlapped blocks together.
申请公布号 USRE37278(E1) 申请公布日期 2001.07.17
申请号 US19930076290 申请日期 1993.06.11
申请人 KEYSTONE RETAINING WALL SYSTEMS 发明人 FORSBERG PAUL J.
分类号 E02D29/02;(IPC1-7):E04C1/00 主分类号 E02D29/02
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