US 12,391,151 B2
Longitudinal adjuster for a vehicle seat, and vehicle seat
Ingo Quast, Duesseldorf (DE); and Erik Sprenger, Wermelskirchen (DE)
Assigned to Adient US LLC, Plymouth, MI (US)
Filed by Adient US LLC, Plymouth, MI (US)
Filed on Oct. 30, 2023, as Appl. No. 18/497,013.
Claims priority of application No. 10 2022 211 556.2 (DE), filed on Nov. 1, 2022; and application No. 23203813 (EP), filed on Oct. 16, 2023.
Prior Publication US 2024/0140274 A1, May 2, 2024
Int. Cl. B60N 2/02 (2006.01); B60N 2/06 (2006.01)
CPC B60N 2/02253 (2023.08) [B60N 2/067 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A longitudinal adjuster, comprising:
one pair of rails and
a drive device for the pair of rails,
wherein the pair of rails has a first rail and a second rail, on which the first rail is guided displaceably,
wherein the drive device has at least one geared motor with an output shaft, a motor, a gear unit, a spindle, which can be driven by the output shaft via the gear unit, and a coupling arrangement for coupling the spindle and the output shaft,
wherein the spindle is mounted rotatably about a spindle axis,
wherein the coupling arrangement comprises a flexible coupling which is connected in a form-fitting and/or force-fitting manner on the one hand to a spindle end and on the other hand to a shaft end of the output shaft and which connects the spindle end and the shaft end flexibly to each other,
wherein the flexible coupling is configured as a claw coupling,
wherein the claw coupling is provided with respective claws at both ends, and a nut element arranged in a form-fitting manner on the spindle end is provided with claw mating elements.