US 12,311,999 B2
Adjustment drive for a steering column, drive unit for an adjustment drive, motor-adjustable steering column for a motor vehicle, and method for producing an adjustment drive for a steering column
Sebastian Huber, Goefis (AT); and Jean-Pierre Specht, Haag (CH)
Assigned to thyssenkrupp Presta AG, Eschen (LI); and thyssenkrupp AG, Essen (DE)
Appl. No. 17/429,120
Filed by thyssenkrupp Presta AG, Eschen (LI); and thyssenkrupp AG, Essen (DE)
PCT Filed Feb. 3, 2020, PCT No. PCT/EP2020/052528
§ 371(c)(1), (2) Date Aug. 6, 2021,
PCT Pub. No. WO2020/161032, PCT Pub. Date Aug. 13, 2020.
Claims priority of application No. 10 2019 201 611.1 (DE), filed on Feb. 7, 2019.
Prior Publication US 2022/0081020 A1, Mar. 17, 2022
Int. Cl. B62D 1/181 (2006.01)
CPC B62D 1/181 (2013.01) 20 Claims
OG exemplary drawing
 
1. An adjustment drive for a motor vehicle, the adjustment drive comprising:
a gearbox having a drive module in which a drive wheel is mounted, wherein the drive wheel is drivable in a rotating manner about a drive axis and operatively engages with a gearbox wheel that is mounted in a gearbox module so as to be rotatable about a gearbox axis, the gearbox wheel being connected to a threaded spindle or a spindle nut of a spindle drive, wherein the drive module and the gearbox module have respective joining sections directed towards one another; and
a joining connection that connects the joining sections of the drive module and the gearbox module, wherein for bracing the drive module and the gearbox module in a region of the joining connection, at least one of the drive module or the gearbox module has an elastic tensioning element that tensions the joining sections against one another and the other of the drive module and the gearbox module has a form- fit element with an undercut, wherein the elastic tensioning element is engaged with the undercut of the form-fitting element to form the joining connection.