发明名称 Resilient sign post attachment
摘要 A road sign attachment and repair apparatus having first and second U-shaped brackets adapted to be attached to a wooden sign post near the bottom thereof to form a resilient joint or to form such resilient joint at a place where a wooden sign post has been broken off. Four coil springs are attached to one of the U-shaped brackets at one end thereof and to the other U-shaped bracket at the other end thereof.
申请公布号 US4737048(A) 申请公布日期 1988.04.12
申请号 US19870067162 申请日期 1987.06.29
申请人 HERRSTROM, TIMOTHY J. 发明人 HERRSTROM, TIMOTHY J.
分类号 E01F9/017;F16C11/08;(IPC1-7):F16D1/00 主分类号 E01F9/017
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