| 摘要 |
A line display device for the arena is provided, in which the convenience of use is increased by indicating any kind of line conveniently. A line display device for the arena comprises: a body formed in a form of small cart equipped with a wheel(25) pivotally inserted into the axle and a handle; a paint storage(22) which is formed on one inner side of the body and stores paint; a pump(26) for pumping the paint stored in the paint storage; a battery(28) for running the pump; a nozzle unit(6) for jetting the liquid on the ground; a switch(32) installed at the handle to control the pump; and a stirrer(4) for mixing paint.
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