| 摘要 |
PROBLEM TO BE SOLVED: To enable a supporting type for a folding door, etc., to be switched simply and arbitrarily between a free type and a fixed type. SOLUTION: An upper runner 1 is integrally provided with a stopper fitting 16, composed of a stopper fitting body 16 having a tightening-member storage recess 20, a tightening member 18 fitted into the recess 20 and pinching the rail flange 2a of an upper rail 2 so as to block movement during an operation for fixing the upper runner 1, and an operating screw 19 for fixation, whose screw part 19a is inserted from the side of the under surface of the recess 20 and screwed into the tightening member 18.
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