Vehicle seats

Claim 1

Seat for automotive vehicles or the like, comprising a first section rigid with the seat, a second section secured to the floor of the vehicle and in relation to which the first section is movable in translation, at least one transverse pivot pin of the seat lying substantially at the upper level of said first movable section and adapted to move parallel to itself in conjunction with the translation of said first section, said movable section being formed with a zone of lesser strength and said seat being secured at at least one point to said zone, this point being staggered longitudinally with respect to said pivot pin of the seat and being capable of limited rotative movement about the pivot pin when kinetic energy is absorbed by the device by deforming said zone of lesser strength, wherein said zone of lesser strength of said movable section comprises on either face at least two parallel longitudinal grooves having a thickness decreasing in the direction away from the point where the seat is secured thereto to said transverse pivot, said grooves being disposed on either side of the seat fastening point, and said zone of lesser strength being adapted to be torn off along a certain length by following the pivoting movement of the seat.