| 摘要 |
Longitudinal seat adjustment, especially for the seats of motor vehicles, with two pairs (10) of rails arranged a certain distance apart, each of which consists of two rails, namely, an upper rail belonging to the seat and a lower rail (12) belonging to the floor of the vehicle, and with at least one spring-loaded, movable, plate-shaped locking part (21), which is supported on the upper rail (11) and which, when in its locking position, prevents the upper rail (11) from moving in the lower rail (12). Here the lower rail (12) has tooth-like slots (14), whereas the upper rail (11) is provided with slit-like openings (10), and the locking part (21) carries tooth-like projections (15) along both of its two opposite long sides. According to the invention, one end of the locking part (21) acts on the upper rail (11), whereas the other end of the locking part (21) acts on the lower rail. One end of the locking part (21) contacts the lower rail (12), while the other end contacts the upper rail (11), where in each case a projection (15, 15') engages in the slit-like opening (16') and in the tooth-like slot (14).
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