CONTROLLED PASSIVE DEFORMATION SEAT PORTION FOR A CAR SEAT

摘要

A seat portion (1) for a motor vehicle car seat, of the type including an anti-submarining bar (7) characterised in that said bar (7) is attached to the seat portion (1) by means of stress limiting means (11a, 11b, 12b) for limiting the stresses transmitted by said bar (7) to the seat occupant, and which allow a displacement of the anti-submarining bar (7) on a path defined by guide means (8a, 8b, 11a, 11b, 12b) when a stress value exceeds a predetermined value.