ARMREST FITTING STRUCTURE OF SEATBACK

摘要

PROBLEM TO BE SOLVED: To improve living property in a cabin, to simply and speedily fit a supporting bracket of an armrest and to improve the shock absorption of a seatback frame by utilizing the armrest at need and utilizing the rear surface side of a seatback as a table. SOLUTION: A rotation arm 23 is formed of a lower arm 25 pivotally supported by a base 21 and an upper arm 27 pivotally supported by the arm 25. The lower part of the arm 27 is housed in the recess parts 19 of side part frames 16 and the arm 27 is fixed to the intermediate positions of the frame 16. A connection pipe 45 is provided between both of the side part frames 16 and the parts 19. The upper part of the supporting bracket 75 of an armrest 73 is fastened with and fixed to the fixing part of the arm 27 and the frames 16. The lower part of the bracket 75 is fixed to the rotation center of the arm 27.