Patent ID: 9714048
Date: 2017-07-25
CPC Classifications: B62D

Claim:
1. A steering device comprising: a steering shaft that has one end thereof coupled to a steering member and is extendable and contractable in an axial direction; a column jacket that includes a lower jacket and an upper jacket fitted together to be slidable relative to each other in the axial direction, and by which the steering shaft is rotatably supported; a first bracket that includes a pair of first side plates each having a tilt-adjust long groove formed therein, and is fixed on a vehicle body; a second bracket that includes a pair of second side plates respectively facing the first side plates and each having a telescopic-adjust long groove formed therein, and is fixed on the upper jacket; and a fastening mechanism that includes: an outer periphery of the boss of at least one of the first fastening member and the second fastening member includes a first corner part and a third corner part each forming an obtuse angle and facing each other, and a second corner part and a fourth corner part each forming an acute angle and facing each other, the first corner part is disposed on a steering member side in the axial direction, on a lower side in a tilt direction, while the third corner part is disposed on a side opposite from the steering member side in the axial direction, on an upper side in the tilt direction, and a width across the first corner part and the third corner part is shorter than a groove width of the telescopic-adjust long groove in a direction orthogonal to a longitudinal direction of the telescopic-adjust long groove.