发明名称 Self-righting traffic marker.
摘要 A portable self-righting traffic marker comprises a generally rigid body (1) having a base (2) on which the marker can rock and includes an outwardly flaring region (4) merging with an integral upper part (3). The base is so weighted that in use the marker returns to its upright position by itself when it is knocked over.
申请公布号 EP0075619(A1) 申请公布日期 1983.04.06
申请号 EP19810304440 申请日期 1981.09.25
申请人 EDIRIWIRA, GANANATH WIMALAL 发明人 EDIRIWIRA, GANANATH WIMALAL
分类号 E01F9/012;E01F9/017 主分类号 E01F9/012
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