| 摘要 |
PURPOSE: A unified column for a traffic signal lamp is provided to increase durability since the strength of compression and tension is enhanced. CONSTITUTION: A unified column for a traffic signal lamp comprises an LED signal lamp, an eye bolt(41), a wire(43) and a turn buckle(45). The LED signal lamp is coupled to a pole(31). The eye bolt is coupled to a wood pipe(11) and a steel pipe and one end of the eye bolt is formed in a hook shape. Both ends of the wire are coupled to the eye bolt and the pole. A turn buckle is interposed to the middle part of the wire.
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