Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Patent
1997-05-09
1998-10-27
Nelson, Jr., Milton
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
2972841, A47C 454
Patent
active
058269371
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 substantially S-shaped 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. Also provided is a cushion and trim assembly adapted for direct attachment to the flexible plate having a plurality of attachment apertures formed therein. The cushion and trim assembly includes trim flaps which are attachable to the attachment apertures, and the flexible plate is partially slidable within the bracket.
REFERENCES:
patent: 2843195 (1958-07-01), Barvaeus
patent: 2973029 (1961-02-01), Schlosstein
patent: 3326601 (1967-06-01), Vanderbilt et al.
patent: 4350388 (1982-09-01), Weiner
patent: 4865388 (1989-09-01), Nemoto
patent: 4966413 (1990-10-01), Palarski
patent: 5076643 (1991-12-01), Colasanti et al.
patent: 5082326 (1992-01-01), Sekido et al.
patent: 5137329 (1992-08-01), Neale
patent: 5562324 (1996-10-01), Massara et al.
Jr. Milton Nelson
Lear Corporation
LandOfFree
Pneumatic energy absorbing seat assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pneumatic energy absorbing seat assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pneumatic energy absorbing seat assembly will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1608724