| 摘要 |
PROBLEM TO BE SOLVED: To surely mount a sweeper for sweeping trash in a lower rail to the outside onto an upper rail, to prevent looseness at slide operation and to prevent drop of the sweeper. SOLUTION: The sweeper 50 is provided with a sweeper plate 51 extending along the width direction of the lower rail 20 for sweeping out trash to the outside, an upper and a lower flanges 52 and 53 holding a bottom wall 31b of a body part 31 of the upper rail 30 from above and below, and a holding part 54 for holding and fixing a perpendicular wall 33 of the upper rail 30. Both sides of the perpendicular wall 33 of the upper rail 30 are held by a holding piece 55 provided at the holding part 54, an emboss projecting part 56 provided on the holding piece 55 is fitted in a mounting hole 33a of the perpendicular wall 33, positional regulation in the front and rear direction and the right and left direction is made, and a trip is prevented by a hook 53a at the tip end of the lower flange 53.
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