Patent ID: 7644951

Claim:
An energy absorption device for a motor vehicle steering column comprising a steering column in which there is mounted an adjustment slide, the adjustment slide comprising a female steering shaft part provided with an entry orifice, connected respectively either to a steering wheel or to a rack system, and a male steering shaft part connected respectively either to the rack system or the steering wheel, wherein the male steering shaft part slides in the female steering shaft part upon adjustment of the depth of the steering column within limits for selecting a desired position of the steering wheel selected by a driver, and wherein at least one sleeve is fixed to and overmolded on the male steering shaft part to absorb energy by at least partially contacting the entry orifice of the female steering shaft part upon displacement of the male steering shaft part beyond the limits in the case of violent impact, wherein the sleeve is located outside of the female steering shaft part when the male steering shaft part slides within the female steering shaft part within said limits, wherein an end of the male part comprises a ribbed part at least partially overmolded by a plastic material, wherein the sleeve is made of plastic, and wherein the sleeve and the plastic overmolding are made of the same material.