Patent ID: 6851712

Claim:
In a steering column which comprises: a steering shaft which includes an upper side shaft and a lower side shaft connected with a universal joint in their lower and upper ends; an upper unit which is formed of an upper side tube which has a steering shaft inside and surrounds a portion of an upper side shaft, a tilt bracket connected with the upper side tube, and a shroud bracket for fixing the upper unit to a vehicle body; a lower unit which is formed of a lower side tube which surrounds a portion of a lower side shaft, a column bracket which is connected with an upper end of the lower side tube and has a capsule assembling slot in left and right wing portions, and a lower mounting bracket adapted to fix a lower end of the lower side tube to a vehicle body, wherein hinge pin holes formed in left and right sides of the tilt bracket and hinge pin holes formed in left and right sides of the column bracket are engaged using a hinge pin, so that the upper unit including the upper side shaft is bent at a certain angle about the hinge pin with respect to the lower unit including the lower side shaft, a vehicle steering tilt column assembly, comprising: a tilting adjusting means including: a fixing gear between the column bracket and the tilt bracket, said fixing gear being fixed to an upper surface of the column bracket and having a threaded portion in an upper side surface; a driving gear between the column bracket and the tilt bracket, said driving gear having a lower surface with a threaded portion engaged to the threaded portion of the fixing gear, a protrusion being formed in an upper surface of said driving gear, said driving gear being rotatable on the tilt bracket; a wedge member which has a wedge portion in a lower surface for pressing the protrusion of the driving gear and has a connection protrusion in a lower surface of a front end; a tilt lever which is formed of a horizontal portion having an engaging hole into which the connection protrusion of the wedge member is inserted and a hinge hole which is rotatable on the tilt bracket by inserting a hinge bolt, a handle portion extending from one end of the horizontal portion, and an extended portion which is connected with the other end of the horizontal portion and has an inclination portion for lifting up a side surface protrusion of the driving gear; a spring for pulling the wedge member and the tilt lever in a certain direction; and an extension spring adapted to return the tilt lever to an original position when the tilt lever is rotated.