发明名称 HIGHWAY MARKER DEVICE
摘要 A highway marker device is provided for marking the location of an object, such as a culvert, located adjacent to a highway. The marker device is comprised of a coil spring having a first end and a second end, wherein the coil spring is comprised of a plurality of windings around a spring axis. Further, a marker post is connected with the first end of the coil spring, wherein the marker post has a post axis and wherein the post axis is substantially perpendicular to the spring axis. Finally, the marker device is comprised of a mounting mechanism for connecting the device with the object such that the coil sprin g is substantially restrained from bending about the spring axis.
申请公布号 CA2451332(C) 申请公布日期 2007.01.09
申请号 CA20032451332 申请日期 2003.11.28
申请人 SHAMROCK VALLEY ENTERPRISES LTD. 发明人 NIELSEN, MURRY R.
分类号 E01F9/017;B60Q1/26;E01F9/011;E04H12/32 主分类号 E01F9/017
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