| 摘要 |
PROBLEM TO BE SOLVED: To provide a slide rail mechanism having a movable rail which hardly deforms even if an external force acts thereon and which is stably held while a part thereof is inserted into the inner space of a lower rail.SOLUTION: An inner portion 22 of an upper rail 20 inserted into the inner space IS of a hollow lower rail 40 comprises an area in which the cross section of the inner portion in the direction normal to the slidably moving direction of the upper rail 20 is closed. |
