ASSEMBLY LINE

PURPOSE:To make dust or the like hard to enter drive lines and at the same time, make construction easy, by providing drive lines which move trucks, and electricity feed lines which supply electricity to trucks, along a movement route on a floor surface. CONSTITUTION:Drive lines are provided directly on the floor surface of a factory, and electricity feed lines 20 and 22 are provided at a space between one side travel portion and the other side travel portion of drive chains 7 and fitted to a support frame 26. The support frame 26 extends in a perpendicular direction against a paper surface, and the electricity feed line 20 is provided on one side of the bottom portion of this support frame 26, and the other electricity feed line 22 is provided on the other side of its bottom portion. A fitting arm 28 is fitted at the upper end of the support frame 26 at an interval in the perpendicular direction against the paper surface. And both side portions of the fitting arm 28 extend to the upper parts of the travel portions of drive chains 6, and electric lights 30, 30 which lighten the upper parts over trucks 24 moving along an movement route, are fitted at the approximate center portion of each one end portion longitudinally.