| 摘要 |
PCT No. PCT/SE78/00091 Sec. 371 Date Aug. 15, 1979 Sec. 102(e) Date Aug. 15, 1979 PCT Filed Dec. 8, 1978 PCT Pub. No. WO79/00391 PCT Pub. Date Jul. 12, 1979.A yieldable assembly comprising a flange and post connected by elongated support means which allows the post to separate from the flange when struck by a vehicle but which retains connection therebetween. The support means yields under tensile strain and imparts a balanced restraining force to the vehicle after separation of the flange and post. |
