A braking structure for a turning body includes an engagement device rotatably engaging a movable side portion of a rotation damper with a base at a rotation center of the movable side portion; a first fixing device fixing the movable side portion relative to the turning body; and a second fixing device fixing a stationary side portion of {HEAD ~ the rotation damper} relative to {TAIL ~ the base} 
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A braking structure for a turning body includes an engagement device rotatably engaging a movable side portion of a rotation damper with a base at a rotation center of the movable side portion ; a first fixing device fixing the movable side portion relative to the turning body ; and a second fixing device fixing a stationary side portion of { HEAD ~ the rotation damper } relative to { TAIL ~ the base }
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