| 摘要 |
PROBLEM TO BE SOLVED: To provide a bed device for preventing swinging in the horizontal direction for crossing the turning direction when turnably lifting a floorboard. SOLUTION: This bed device is provided with a box-shaped base body 1 having an opening surface, and arranging a headboard 2 on lengthwise directional one end, a fixed floorboard 5 fixedly arranged on the base body in lengthwise directional one end part or the other end part of an upper surface of this base body, a movable floorboard 8 arranged in a part for arranging no fixed floorboard of the upper surface of the base body, and rotatably connecting one end to an end part of the fixed floorboard with hinges 9, and a gas spring 12 arranged between this movable floorboard and the base body, and extending by turning the movable floorboard in the lifting direction.
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