| 摘要 |
PURPOSE: Structure for buffering a sub table in a bus is provided to mount a pocket contacted to a leg of a passenger by expanding through air on a lower portion of the sub table and to absorb vibration by the pocket. CONSTITUTION: Structure for buffering a sub table of a bus comprises armrests mounted on left and right portions of a seat; a sub table(30) received on the armrest; a pocket(100) mounted on a lower portion of the sub table by having a bellows type; an air supplying unit(200) extending the pocket by supplying air; a supplying hose(210) connected to the pocket by being mounted on the air supplying unit; a pneumatic pump(220) supplying the air; a supplying valve(230) installed between the pneumatic pump and the supplying hose; an exhaust valve(240) discharging air of the pocket; a suction pump(260) opening the exhaust valve; and a changing switch selectively driving the supplying pump and the suction pump. Thereby, the structure for buffering the sub table of the bus absorbs vibration of the sub table by mounting the pocket on the lower portion of the sub table.
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