Patent ID: 7025319
Filing Date: 2006-04-11
Classification: B60N

Abstract:
1. A longitudinal adjuster for a vehicle seat, with the longitudinal adjuster comprising: a first seat rail extending in a longitudinal direction; a second seat rail extending in the longitudinal direction; a plurality of rollers positioned between the first seat rail and the second seat rail so that the second seat rail can slide relative to the first seat rail, with rollers of the plurality of rollers each having a diameter; and at least one retainer for retaining the plurality of rollers, wherein three neighboring rollers of the plurality of rollers are arranged at irregular intervals in the longitudinal direction, the retainer retains at least the three neighboring rollers in a first package, and a second package of rollers of the plurality of rollers is positioned between the first and second seat rails, the three neighboring rollers includes a first roller, a second roller and a third roller, the second roller is positioned between the first and third rollers, the first roller and the second roller are adjacent to one another and spaced apart from one another by a first distance in the longitudinal direction, the second roller and the third roller are adjacent to one another and spaced apart from one another by a second distance in the longitudinal direction, the second distance is different from the first distance, the first and second packages are adjacent to one another and spaced apart from one another by a third distance in the longitudinal direction, the third distance is larger than each of the first distance and the second distance, the first distance is larger than the diameter, the first distance is smaller than twice the diameter, the second distance is larger than the diameter, and the second distance is smaller than twice the diameter.