发明名称 |
Control barrier with support legs |
摘要 |
A control barrier is provided having a barrier wall with one or two support legs attached thereto. The barrier wall has a front face with a display recess formed therein and an internal cavity for selective filling with a ballast material. Each of the support legs are hingedly mounted to the back face of the barrier wall so as to selectively fold flat. Each support leg has an interior surface defining an internal chamber for selective filling with a ballast material.
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申请公布号 |
US5993103(A) |
申请公布日期 |
1999.11.30 |
申请号 |
US19970841467 |
申请日期 |
1997.04.22 |
申请人 |
OFF THE WALL PRODUCTS LLC |
发明人 |
CHRISTENSEN, MARC E. |
分类号 |
E01F9/014;E01F13/02;(IPC1-7):E01F13/02 |
主分类号 |
E01F9/014 |
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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