摘要 |
<P>PROBLEM TO BE SOLVED: To provide a backrest fitting structure of a chair, improving the appearance of the chair and improving the fitting work efficiency for a backrest support frame and a back frame. Ž<P>SOLUTION: In the backrest fitting structure, the backrest support frame 10 and the back frame 9a are connected to each other. Both right and left inner surfaces of the upper part of the backrest support frame 10 are expanded upward to form an upward inclined support surface 10d, the upper end of each backrest support frame is tapered as viewed from the front, and the lower outside surface of the back frame 9a is formed as a downward inclined supported surface 9b which can be fitted to the upward inclined support surface 10d from above. The right and left downward inclined supported surfaces 9b at the lower part of the back frame 9a are fitted between the right and left upward inclined support surfaces 10d to connect the backrest support frame 10 and the back frame 9a to each other. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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