US Patent 10351161 Steering column with manual retraction

A steering column assembly for an autonomous or semi-autonomous vehicle includes a first steering shaft operatively coupleable to a steering wheel, the first steering shaft and the steering wheel rotationally coupled to each other. Also included is a second steering shaft operatively coupled to the first steering shaft, the first and second steering shafts manually telescopingly movable relative to each other between an extended position and a retracted position, the first steering shaft disengaged from the second steering shaft in the retracted position and the first steering shaft engaged with the first steering shaft in the extended position, the retracted position rotationally decoupling.