Longitudinal adjustment device in a motor vehicle seat, especially for two-door motor vehicles

摘要

Invention Patent: B "LONGITUDINAL ADJUSTMENT DEVICE IN A MOTOR VEHICLE SEAT, ESPECIALLY FOR TWO DOOR MOTOR VEHICLES '' D. The backrest of the vehicle seat can be tilted in relation to the seat through a adjustment, being able to be retracted forward after the release of a fixing set. The seat section is attached to the movable rail, being able to be displaced longitudinally in relation to the fixed guide rails of the vehicle. At least one movable rail has a set locking mechanism that can be separated from the connection with the guide rail, and the finding of the regulated longitudinal seat position is made possible with a positioning assembly due to the fact that a positioning disc has a locking indentation, which penetrates the toothed segment of a holding lever fixedly fixed in relation to the movable rail, but can be operated in the direction of its exit and coaxially to c With the positioning disc, a spring-loaded winding drum is mounted with which the seat section can be moved forward by means of a traction component attached to the vehicle floor or the guide rail. The reel drum has a stop to limit its return turning movement through a contrabant on the positioning disc. In order to create a more compact unit as a result of saving construction components with economical production between the winding drum stop and the positioning disc smuggle, a sliding stone integrated in a spiral slide is foreseen and which preferably allows several winding drum turns.