Patent ID: 9707990
Date: 2017-07-18
CPC Classifications: B62D,F16D

Claim:
1. A steering device comprising: an outer shaft that is disposed around a center axis and includes an inner space with a spline hole portion; and an inner shaft at least a part of which is disposed in the inner space, wherein the inner shaft includes: wherein the shaft portion includes one end of the inner shaft disposed in the inner space, and includes a synthetic resin surface disposed around the center axis, wherein a distance between the center axis and the surface of the shaft portion is smaller than a distance between the center axis and the surface of the first spline shaft portion, wherein the spline hole portion and the first spline shaft portion are spline-fitted to each other, and the outer shaft and the inner shaft are relatively movable in the axial direction, wherein the shaft portion includes a second spline shaft portion that includes a spline having a tooth height smaller than a tooth height of a spline of the first spline shaft portion, and wherein the second spline shaft portion is disposed at the one end of the inner shaft disposed in the inner space.