Patent ID: 11945496
Assignee: ZF AUTOMOTIVE UK LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 14:
15. A steering column assembly for a vehicle, comprising:
a housing;
a shaft rotatably mounted with respect to the housing and being configured for attachment of a steering wheel at one end;
a leadscrew connected to and configured to rotate with the shaft;
a nut threadedly engaged with the leadscrew and being non-rotatable with respect to the housing whereby rotation of the shaft causes the nut to be displaced along the leadscrew;
two end stops spaced apart in the longitudinal direction of the leadscrew and engageable with the nut to determine the two extreme positions of the nut along the leadscrew;
a first gear connected to and configured to rotate with the shaft; and
first and second motors each having an output driving a respective output gear, the output gears being engaged with the first gear, the first and second motors applying torque to the first gear in opposite directions in a first operating mode, the first and second motors applying torque to the first gear in the same direction in a second operating mode.