Patent ID: 7195311

Claim:
A safety device ( 1 ) for a vehicle seat, the vehicle seat coupled to a vehicle and including at least two spaced apart lateral guides, the safety device comprising: a securing mechanism ( 10 ) including a first engagement part ( 20 ) and a separate second engagement part ( 22 ), with the second engagement part ( 22 ) locked with a shear pin having a predetermined breaking point; and a securing rail ( 8 ) fixedly disposed between the lateral guides and coupled to the securing mechanism ( 10 ) and the vehicle seat, wherein the securing mechanism ( 10 ) is configured to engage the securing rail ( 8 ) upon the vehicle seat deforming a predetermined distance, and wherein reaction forces in the direction of axes (x,y,z) of the vehicle seat caused by such engagement are absorbed by at least two different engagement regions of the securing rail ( 8 ) by the first engagement part ( 20 ) and the second engagement part ( 22 ) in a sequence such that the second engagement part ( 22 ) contacts the securing rail ( 8 ) independently and before the first engagement part ( 20 ) engages the securing rail ( 8 ).