| 摘要 |
PURPOSE:To make the contact pressure between a collector ring and the conductor of a trolley cable constant irrelevantly to the distance between the automoted guided vehicle and automatic charging device. CONSTITUTION:A screw shaft 15 which is driven and rotated by a motor 18 is threadably engaged with a nut material 17, which is fitted with a moving member 14; and the moving member 14 is fitted with a holder 31 which is movably in a right-left direction and energized to the right, the holder 31 is provided with the collector ring 4, and a proximity sensor 33 which detects a fixed cover 31 being contiguous to the holder 31 is fitted to the moving member 14. |
