Patent ID: 7384070
Filing Date: 2008-06-10
Classification: B62D

Abstract:
1. An impact absorption type steering column apparatus for an automotive vehicle in which column sided upper and lower brackets provided fixedly to or integrally with a steering column are respectively press-fitted to vehicle body sided upper and lower brackets secured to a vehicle body, said steering column is supported by inserting a fastening bolt through through-holes formed in said column sided upper bracket and said vehicle body sided upper bracket and by inserting a pivoting bolt through through-holes formed in said column sided lower bracket and said vehicle body sided lower bracket as a center of rotation for tilt movement of the steering column, and, when a secondary collision happens, said vehicle body sided upper bracket is arranged to absorb an impact energy thereof by deforming while moving said steering column towards the front of the automotive vehicle, wherein said vehicle body sided upper bracket is composed integrally of a vehicle body securing portion to be secured to a strength member of the vehicle body, a vertical wall portion extending downwards from the vehicle body securing portion through a bending portion to form a substantially L-shaped bracket, and column fastening fixing portions projecting from the vertical wall portion and extending along the column toward the front of the vehicle and having said through-hole as an elongate hole for inserting said fastening bolt for tilt adjustment, wherein said through-hole of said column sided upper bracket is formed as an elongate hole extending substantially in parallel with an axis of the steering column to the rear side of the automotive vehicle from a position of said fastening bolt, and wherein, upon secondary collision, said column sided lower bracket separates from said vehicle body sided lower bracket.