US 12,145,436 B2
Plug-in shaft arrangement and hub-reduction axle for a motor vehicle
Thomas Waim, Grafenau (DE); and Stefan Renner, Bodman-Ludwigshafen (DE)
Assigned to ZF Friedrichshafen AG, Friedrichshafen (DE)
Filed by ZF Friedrichshafen AG, Friedrichshafen (DE)
Filed on Oct. 24, 2022, as Appl. No. 18/048,943.
Claims priority of application No. 10 2021 212 294.9 (DE), filed on Nov. 2, 2021.
Prior Publication US 2023/0134790 A1, May 4, 2023
Int. Cl. B60K 17/04 (2006.01)
CPC B60K 17/046 (2013.01) 12 Claims
OG exemplary drawing
 
1. A stub shaft assembly for an outer planetary axle of a motor vehicle, comprising:
an inner shaft;
an outer shaft comprising a helically toothed sun gear;
a pair of toothings comprising a first helical toothing and a second helical toothing between the inner shaft and the outer shaft;
the first helical toothing is implemented as an outer toothing and the second helical toothing is implemented as an inner toothing; and
the helically toothed sun gear has a helix direction that is the same as a helix direction of the first helical toothing and/or a helix direction of the second helical toothing.