Patent ID: 9346482
Filing Date: 2016-05-24
CPC Classification: B62D

Claim Text:
1. A steering column device comprising: a fixed bracket which includes a first plate fixed to a vehicle body-side member, wherein a first hole being an elongated hole extending parallel to a column movement direction at the time of a secondary collision is formed in the first plate; a movable jacket which rotatably supports a steering shaft having a steering member connected to one end of the steering shaft; a movable bracket which supports the movable jacket so as to move in the column movement direction along with the movable jacket at the time of the secondary collision and includes a second plate facing the first plate, wherein a second hole facing the first hole is formed in the second plate; and a suspension mechanism which is supported on the first plate, suspends the movable jacket through the movable bracket, and is configured to move in the column movement direction at the time of the secondary collision, wherein the suspension mechanism includes a suspension bolt which is inserted into the first hole and the second hole, and a nut which is screwed onto the suspension bolt and connects the first plate and the second plate in cooperation with the suspension bolt, the suspension bolt includes a head portion, a large-diameter portion which is continuous to the head portion with a smaller diameter than the head portion and is inserted into the first hole, a small-diameter portion which is continuous to the large-diameter portion with a smaller diameter than the large-diameter portion and is inserted into the second hole, a stepped portion which is formed between the large-diameter portion and the small-diameter portion and comes into contact with the second plate, and a threaded portion which is provided in the small-diameter portion and is screwed into the nut, the second plate is pinched between the nut and the stepped portion, and the suspension mechanism includes a leaf spring which is interposed between the head portion and the first plate, thereby biasing the first plate to the second plate side.