| 摘要 |
The device isn used for widening indoor space and smoothly opening or closing the sliding door in an automobile. The device comprises a guide rail (11) for indicating the door sliding path and an arm (3) engaged between the rail (11) and door, having a pair of rollers (9)(10) rolled on both the surfaces of vertical section (11C) formed between upper/lower symmetrically arranged horizontal sections (11a),(11b).
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