| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint structure capable of effectively eliminating a rattle and an impact noise during traveling of a top-railed sliding door sash roller, while having an upper rail for a top-railed sliding door provided with a joint.SOLUTION: In a joint structure for upper rails 1 and 2, butt surfaces of the upper rails 1 and 2 are formed in such a manner that surfaces cut in an oblique direction from a plan view butt against each other. The upper rails 1 and 2 are fixed in such a manner that each of the upper rails 1 and 2 adjoining each other while setting a joint 12 as a boundary is screwed to a top surface side. |
