| 发明名称 |
PORTABLE ROADWAY WARNING DEVICE |
| 摘要 |
A portable roadway warning device comprises one or more rumble strips. Each rumble strip comprises at least two modular strip sections, each made of a polymeric material having top and bottom surfaces and end edges and side edges. At least one of the end edges of each of the strip sections has a plurality of aligned alternating notches and tabs, and connecting links hingedly connect the tabs at one of the end edges of one of the strip sections to respective aligned tabs at one of the end edges of another of the strip sections. |
| 申请公布号 |
US2015030390(A1) |
申请公布日期 |
2015.01.29 |
| 申请号 |
US201414336349 |
申请日期 |
2014.07.21 |
| 申请人 |
Plastic Safety Systems, Inc. |
发明人 |
Brown Gregory H.;Mettler Charles M. |
| 分类号 |
E01F9/047 |
主分类号 |
E01F9/047 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A portable roadway warning device comprising one or more rumble strips, each rumble strip comprising at least two modular strip sections, each of the strip sections being made of a polymeric material having top and bottom surfaces and end edges and side edges, at least one of the end edges of each of the strip sections has a plurality of aligned alternating notches and tabs, and connecting links hingedly connecting the tabs at one of the end edges of one of the strip sections to respective aligned tabs at one of the end edges of another of the strip sections. |
| 地址 |
Cleveland OH US |
