Longitudinal adjustment device and vehicle seat

Abstract

A longitudinal adjustment device for a vehicle seat may have at least one track arrangement with a first track element and a second track element, which are movable relative to one another. The device may have at least one or more bearing points, each having at least two rollers, located between the first track element and the second track element. One of the rollers is rotatably mounted without backlash and the other roller is rotatably mounted with backlash and so as to be spring-biased. The roller mounted without backlash is rotatably mounted on an upper rotary bearing, as seen in the height direction, so as to be positionally fixed and the flexibly mounted roller is flexibly rotatably mounted on a lower rotary bearing. A vehicle seat having the longitudinal adjustment device is also provided.

Dependencies are inferred from the claim text.