发明名称 Traffic safety control device
摘要 A vehicular traffic control device having a body formed by a hollow, elongated shell with a central domed ridge, vertically curved side walls and laterally extending, pavement engaging footings. The shell is made from molded plastic so as to be light weight, highly portable and stackable. Friction pads are provided for the bottom pavement engaging surfaces of the footings and spaced bump reflectors are located on the top surfaces thereof. The shell may be reinforced by cross ribs and is provided with hinge devices for connecting the devices in tandem.
申请公布号 US5639179(A) 申请公布日期 1997.06.17
申请号 US19950519412 申请日期 1995.08.24
申请人 JENSEN, KEVIN M. 发明人 JENSEN, KEVIN M.
分类号 E01F9/03;E01F9/053;E01F9/087;(IPC1-7):E01F13/00 主分类号 E01F9/03
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