The present invention relates to a seat for a bus, comprising: a plate (14) mounted to rotate about a hinge axis (13) of a cushion (11) for a bus seat comprising a seat back having a cushion and an armrest; A first pedestal 17 connected to be rotated by the plate 14 and the bracket 25; A second pedestal 20 connected to the plate 14 by an operating lever 18 and mounted to rotate about a fixed shaft 21 of the first pedestal 17; One end is connected to the face of the first pedestal 17, and the other end is connected to the cushion 11, the bus seat including a gas cylinder 22 which is operated in accordance with the operation of the function selection switch (10b) .;Therefore, the first and second pedestals are unfolded or pointed at the same time according to the operation of the gas cylinder, so that the passenger can be seated on the seat in a comfortable and stable posture and the convenience of the product is improved.
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