| 摘要 |
<p>A slide rail device for a vehicle, which is capable of preventing a rapid decrease in a lock load during a collision while maintaining the minimum necessary load when locked, is provided. The slide rail device for a vehicle is provided with: a lower rail (21); an upper rail (30) which is slidably supported by the lower rail; a plurality of lock teeth (27a, 27b) lined up in a longitudinal direction, each of which is formed on a vertical wall (25) that extends in the longitudinal direction on the left and right of the lower rail, and a plurality of lock grooves (28a, 28b) with a lower edge, which is positioned between adjacent lock teeth, that is open; and a lock member (50) which is provided with lock sections (51) capable of engaging with and disengaging from the lock grooves, and which is supported by the upper rail. The breaking strength of the lock tooth on one vertical wall is made to be lower than the breaking strength of the lock tooth on the other vertical wall.</p> |
