| 摘要 |
PROBLEM TO BE SOLVED: To simplify mounting of a seat, and to impart a more beautiful appearance, in a nesting type chair with the seat that can be raised or folded.SOLUTION: A seat is mounted on a movable base body (a seat receiving body) 4. The movable base body 4 has right and left upward arm parts 22, and a bearing part 23 provided on an upper end of the upward arm part 22 is fit in a spindle 24 of a support frame 19. Therefore, the movable base body 4 rotates by using the spindle 24 as a center. The bearing part 23 is cut in such a manner to open downwardly and is fit in the spindle 24 from above. A screw 26 is used for preventing fall-off. Since the bearing part 23 is integrally molded on the upward arm part 22, a chair is excellent in terms of the beautiful appearance. |
