Patent ID: 7267025
Filing Date: 2007-09-11
Classification: B62D

Abstract:
1. A tilt adjusting unit for steering columns, comprising: a support bracket mounted to a predetermined portion of a vehicle body; a steering column mounted to a predetermined portion of the vehicle body to tilt relative to the vehicle body; a movable bracket to tilt along with the steering column; a connection rod to connect the movable bracket to the support bracket; a guide slot formed on a predetermined portion of the support bracket along a tilting direction of the steering column, with the connection rod passing through the guide slot; a stopper provided at each of opposite ends of the connection rod to prevent the movable bracket from being removed from the support bracket; a locking unit provided on a predetermined portion of the connection rod to lock or unlock the movable bracket to or from the support bracket, the locking unit comprising: a rotary unit rotatably provided on a predetermined portion of the connection rod; a movable unit provided on a predetermined portion of the connection rod so that the movable unit and the rotary unit support each other, the movable unit moving along the connection rod as the rotary unit rotates, thus locking or unlocking the movable bracket to or from the support bracket; and a rotation restraining part to prevent the rotary unit from further rotating in a locking direction when the movable bracket is locked to the support bracket; wherein the support bracket comprises first and second support brackets which are provided on opposite sides of the steering column, respectively, with a first rotation preventing projection being provided at a predetermined portion of the inner movable unit to be supported by the first support bracket, and a second rotation preventing projection being provided at a predetermined portion of the stopper to be supported by the second support bracket, thus preventing the inner movable unit and the connection rod from rotating, the movable bracket is provided at a predetermined position between the first and second support brackets, the stopper comprises: a first stopper which is provided at a predetermined position adjacent to the first support bracket, with a third rotation preventing projection being provided at a predetermined portion of the outer movable unit to be mounted to the first stopper, thus preventing the outer movable unit from rotating; and a second stopper which is provided at a predetermined position adjacent to the second support bracket, with the second rotation preventing projection being provided at a predetermined portion of the second stopper, and the locking unit is provided at a predetermined position between the first stopper and the first support bracket.