Patent ID: 8869647
Filing Date: 2014-10-28
Classification: B62D,Y10T

Abstract:
1. A steering apparatus comprising: a fixed bracket that has fixed side portions on both sides in a width direction and supports a steering column; a fastener that has a lock bolt extending through the fixed side portions; a primary cam that rotates with a rotation operation of the fastener; and a secondary cam that is non-rotatably attached to one of the fixed side portions and is in contact with the primary cam, wherein a cam operating portion comprising an inclined surface portion, a high level surface, and a contact protrusion is formed at a regular interval along a circumferential direction on a base flat surface of each of the primary cam and the secondary cam, and the inclined surface portion is constituted by a low inclined surface, a middle inclined surface, and a high inclined surface arranged in this order from the base flat surface toward the high level surface and an inclination angle of the high inclined surface is formed to be greater than an inclination angle of the low inclined surface, and less than an inclination angle of the middle inclined surface.