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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0201330 (1994-02-24) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 0 |
A folding road barrier includes a cross member, two folding stands pivotal connected to two opposite ends of the cross member at the bottom, a shade roller supported on and turned between two supports on the front side of the cross member for showing warning words, a signal lamp assembly mounted on
A folding road barrier comprising: a cross member having a front side, a top, a bottom, and two opposite ends; two roller supports projecting from said front side; a folding stand pivotally connected to each of the two opposite ends of said cross member, each folding stand comprising a pivotably mou
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