| 摘要 |
PURPOSE: A guide rail for conveying a circuit board is provided to change a driven pulley location of a drive belt and easily exchange the driving belt. CONSTITUTION: A driving pulley(211) and a driven pulley(212) are provided at an inner side of a pair of stick type guide rails(200). A driving motor(216) is connected to the driving pulley(211). A driving belt support member(220) is fixed to the inner side of a pair of stick type guide rails(200) and prevents the driving belt from drooping. A driving belt tension adjusting member(230) is installed at one side of the guide rail(200). A power supply terminal(240) is provided at one side of the guide rail(200) and supplies a power to the driving motor(216). An inner projection(221) is horizontally formed at an inner side of the driving belt support member(220). A plate(222) is formed in a longitudinal direction. The plate(222) supports an upper portion of the driving belt(134) which is suspended to the driving pulley(211) and the driven pulley(212).
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