| 摘要 |
PURPOSE: A support connecting device for road facility is provided to prevent the safety accidents by preventing the loosing of a fastening bolt due to the external impact. CONSTITUTION: A support connecting device for road facility comprises a bottom cover(40), a bottom flange(60), a top cover(30), an upper flange(50), a key connecting part(52), a supporting pole(70) and a fastening bolt(80). The bottom cover includes an expansion receiving part and is inserted to the top of the lower part pole. The bottom flange comprises a second connector. The top cover includes a bolt acceptance groove in inside and is inserted to the lower part of the top pole.
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