| 摘要 |
PROBLEM TO BE SOLVED: To provide a long seat in which a back slide can be easily installed in a leg frame and having no gap where dust collects easily at the lower end of the back slide. SOLUTION: In a long seat, a plate shape hanging member 29 is provided at the lower end of the back slide frame 22 protruding downward, and a locking member 39 having a locking face on the back face 390 for locking the front face 290 of the hanging member 29 at the vertical portion of the leg frame 3 is provided. After the hanging member 29 is inserted from the top of locking member 39 through the back side, and the front face 290 of the hanging member 29 is locked with the back face 390 of the locking member 39, the back slide frame 22 is fixed to the leg frame 3 by engaging the engaging member 25 on the back face of the back slide frame 2 with the receiving member 35 of the leg frame 3.
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