| 摘要 |
A resin pin which is passed through a first resin-pin passing hole of a first plate, and a second resin-pin passing hole of a second plate to couple the second plate to a predetermined position of the first plate is sheared in a secondary collision, and causes the second plate to release from the predetermined position in a column movement direction. A slide plate which extends along the upper surface of the first plate has a resin-pin visual check hole. A highly hard collar is received by the second plate, placed in the first resin-pin passing hole, and fitted to a shaft portion of the resin pin. In the resin pin, axial elastic projections which apply a pressing and urging force to the slide plate are disposed at positions avoiding a range where, in a secondary collision, the resin-pin visual check hole is passed in the column movement direction. |
| 主权项 |
1. A steering device comprising:
a stationary bracket which is fixed to a vehicle body-side member, and which includes a first plate in which a first resin-pin passing hole, and a first bolt passing hole configured by a long hole that extends in a column movement direction in a secondary collision are formed; a movable jacket which is configured to rotatably support a steering shaft in which a steering member is coupled to one end; a movable bracket which is configured to support the movable jacket in a manner that, in a secondary collision, the movable bracket is moved together with the movable jacket in the column movement direction, and which includes a second plate that is opposed to a lower surface of the first plate, the second plate in which a second resin-pin passing hole and a second bolt passing hole are formed; a suspension mechanism which includes: a slide plate in which a third bolt passing hole and a resin-pin visual check hole are formed along an upper surface of the first plate; and a suspension bolt which is passed sequentially through the third bolt passing hole, the first bolt passing hole, and the second bolt passing hole to couple the first plate and the second plate together, thereby suspending the movable jacket through the movable bracket, the suspension mechanism which is movable in a corresponding column movement direction in a secondary collision; a resin pin which has an axial end surface opposed to the resin-pin visual check hole, which is passed through the first resin-pin passing hole and the second resin-pin passing hole to couple the second plate to a predetermined position of the first plate, and which, in a secondary collision, is configured to cause the second plate to release from the predetermined position in the column movement direction; and a collar which is fitted to the resin pin in a state where the collar is received directly or indirectly by a member that is suspended by the suspension mechanism, and which is higher in hardness than the resin pin, wherein, in one of the resin pin and the collar, an elastic projection which is configured to directly or indirectly urge the slide plate, and which projects in an axial direction is disposed at a position avoiding a range where, in a secondary collision, the resin-pin visual check hole is passed in the column movement direction. |
