| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a snow accretion preventive delineator free from snow accretion on a light transmitting part even in a heavy snowfall area. <P>SOLUTION: The snow accretion preventive delineator is provided with a body part 100A with a built-in light source 200A such as a light emission diode element inside, and the light transmitting part 300A provided at the body part 100A to guide light from the light source 200A to the outside. The light transmitting part 300A is formed in approximately right circular cone shape, and the tip angle of the light transmitting part 300A is set to 45° or less from the side face view. Even if the wind containing snow blows toward the light transmitting part 300a, the wind flows along the side face of the light transmitting part 300A. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
