| 摘要 |
A display system on mobile system includes a mobile, platform, a hanging rail, a plurality of display boards, a hanging roller device, and a spacer. The hanging rail is provided across the display space. The hanging roller device, for each of the display board, has two rollers connected with a connecting bar, a board holder fixed to the connecting bar at a first end and fixed to the top edge of the display board, and a neck portion provided at the board holder. The display system may further include a chain for connecting and tugging the display boards; a motor for tugging the chain along with the connected display boards; and a motor controller for controlling the motor.
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