Patent ID: 6478373
Filing Date: 2002-11-12
Classification: B60N,F16B

Abstract:
A seat back for an automotive seat comprising:a bottom seat-back part, connectable to a seat part; a top seat-back part connected to said bottom seat-back part for pivotal movement in an angular range relative to said bottom seat-back part out of a position of standard use, around an axis in said seat back that runs perpendicular to a longitudinal axis of the vehicle, and along a pivot direction pointing in the direction of vehicle travel; a torque generating means for generating a torque operating on said top seat-back part in said pivot direction, regardless whether the automotive seat is occupied; and detecting means for detecting a rear-end impact, which is actively linked with said torque-generating means in such a way, that said torque-generating means is activated in the event of a rear-end impact and the swinging movement is started.