Patent ID: 11866087
Assignee: ZF STEERING SYSTEMS POLAND SP. Z.O.O.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A steering column assembly comprising:
a housing having outer, intermediate, and inner elongate, telescopically mounted housing portions movable relative to one another along an adjustment axis;
a steering column rotatably mounted in the inner elongate housing portion and being configured at one end for attachment of a steering member;
a leadscrew rotatably mounted on the intermediate housing portion, the leadscrew defining an externally threaded portion and an internally threaded bore portion, wherein the externally threaded portion and the internally threaded portion are of opposite handedness;
a motor for rotating the leadscrew;
a first displacement member screw-threadedly mounted to the externally threaded portion of the leadscrew and connected to one of the outer and inner elongate housing portions; and
a second displacement member screw-threadedly mounted to connected to the other of the outer and inner elongate housing portions;
a threaded rod connected to the second displacement member, the threaded rod threadedly received within the internally threaded bore portion of the leadscrew;
whereby rotation of the leadscrew causes displacement of the first and second displacement members in opposite directions along the adjustment axis, wherein rotation of the leadscrew causes displacement of the threaded rod to displace the second displacement member.