Seat assembly with pneumatically adjustable contour and energy a

Details Seat assembly with pneumatically adjustable contour and energy a Seat assembly with pneumatically adjustable contour and energy a

1997-08-25

1999-03-23

Nelson, Jr., Milton

Chairs and seats

Crash seat

Force-absorbing means incorporated into headrest area

2972846, B60N 242, A47C 3025

Patent

active

058849688

ABSTRACT:
A vehicle seat assembly includes a seat back shell having upper and lower ends, and a bracket mounted to the seat back shell having a slot formed therethrough. A flexible plate is positioned adjacent the seat back shell and slidable within the slot. A cushion is positioned adjacent the S-shaped flexible plate. At least one inflatable lumbar bladder is positioned between the shell and the flexible plate between the bracket and the lower end. At least one inflatable thoracic adjustment bladder is positioned between the shell and the flexible plate between the bracket and the upper end. The contour of the seat assembly is adjustable by inflating and deflating the lumbar and thoracic bladders. A head restraint system includes a damper mechanism positioned between the upper end of the shell and the head restraint for energy management in a high energy impact.

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