| 摘要 |
PROBLEM TO BE SOLVED: To provide a travel device, easy in wiring of a transmission cable, excellent in a style of an appearance, being high rigidity in a guide rail, excellent in strength and capable of stable and smooth travel movement of a projector, as the travel device of the projector for a display board in which a cable duct chain is fastened to a movable pedestal for moving on the guide rail.SOLUTION: A guide rail 2 comprises a rail body 20 having hollow parts 21 and 22 continuing in the lengthwise direction on both fron-rear sides and forming a wiring groove part 23 for opening mutual both hollow parts 21 and 22 upward and a lid plate member 6 fastened to the rail body 20 and sealing the wiring groove part 23. A movable pedestal 4 mounted with a projector 3 comprises a plurality of respective support rollers 41 and 42 on both front-rear sides, and these support rollers 41 and 42 roll on both hollow parts 21 and 22 before and behind the rail body 20, and a cable duct chain 5 is arranged on the lid plate member 6 in the shape of turning back in a U-turn shape by setting a movable pedestal 4 side fastening part 5a above.SELECTED DRAWING: Figure 5 |
