| 摘要 |
PCT No. PCT/SE91/00500 Sec. 371 Date Mar. 11, 1993 Sec. 102(e) Date Mar. 11, 1993 PCT Filed Jul. 17, 1991 PCT Pub. No. WO92/01838 PCT Pub. Date Feb. 6, 1992.A road sign having a message displayed on a soft reflective plastics material which is attached to a net fabric, preferable a PVC plastics. The net material is attached to a frame structure including a first bar connected at one end of the net and a second bar connected at an opposite end of the net. The net is wound around a roller proximate one of the bars. The bars are biased apart by spring biased folding arms. The device thereby can be raised to an open position by the spring force. Further, a hand crank, or a motor, and also a remote control, can be included for manipulation of the sign, such as to a closed position. |
