Lumbar support actuation

Details Lumbar support actuation Lumbar support actuation

1996-02-02

1996-10-08

Brown, Peter R.

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

29745241, A47C 746

Patent

active

055623247

ABSTRACT:
A seat (10) including a backrest portion (16) with seat back support (24) providing selective lumbar support to a user. The seat back support (24) includes a pair of clam-shell shaped air bladders (28, 30) with their movable, expanding ends (36, 38) facing one another. Divider members (42, 44) split each of the bladders (28, 30) into separate side-by-side air sections to maintain the clam-shell shape of the bladders (28, 30) preventing bowing in the center of the seat back (14). The bladders (28, 30) support and move a flexible plate (70) connected thereover to provide selective contoured adjustment to the lumbar region of a user.

REFERENCES:
patent: 3326601 (1967-06-01), Vanderbilt et al.
patent: 3330598 (1967-07-01), Whiteside et al.
patent: 3983640 (1976-10-01), Cardullo et al.
patent: 4634179 (1987-01-01), Hashimoto et al.
patent: 4699424 (1987-10-01), Andres et al.
patent: 4746168 (1988-05-01), Bracesco
patent: 4807931 (1989-02-01), Ishida et al.
patent: 5082326 (1992-01-01), Sekido et al.
patent: 5135282 (1992-08-01), Pappers
patent: 5137329 (1992-08-01), Neale

Affiliated with

Also associated with

Rating

Lumbar support actuation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lumbar support actuation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lumbar support actuation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-52099