| 摘要 |
PROBLEM TO BE SOLVED: To simplify the structure of support parts of lower rollers of a sliding door, and to increase the rigidity of the support part against a door load. SOLUTION: In this lower roller L1 structure, the inner ring 21 of a vertical roller 2 is secured to the end 10 of a lower arm 1 which projects from the front edge lower part of the sliding door D of an automobile generally horizontally to the inside of the cabin. and the outer ring 23 of the vertical roller 2 installed rotatably on the outer periphery of the inner ring is rolled along the lower rail L2 of the body. A side edge flange 12 vertically extending from the side edge of the lower arm 1 is formed continuously along the side edge. A projection 13 of square shape in cross section which projects horizontally to the inside of the cabin while being integrated with the lower arm is formed at the end 10 of the lower arm 1. A square through-hole formed at the center of the inner ring 21 of the vertical roller 2 is fitted and fixed to the projection 13. The projection 13 serves a pivot shaft for the vertical roller 2. Consequently, the rigidity of the support part structure of the vertical roller 2 against the door load can be enhanced. COPYRIGHT: (C)2009,JPO&INPIT
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