Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Reexamination Certificate
2007-01-11
2009-11-24
Brown, Peter R. (Department: 3636)
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
Reexamination Certificate
active
07621596
ABSTRACT:
The invention relates to a lumbar support comprising a plurality of pneumatically operated chambers (11-14) for adjusting the curvature of a seat back, wherein the lumbar support comprises two outer chambers (11, 12) and two central chambers (13, 14) in the longitudinal direction of the seat back, wherein the two central chambers (13, 14) are arranged over one another perpendicularly to the longitudinal direction of the seat back between the two outer chambers, wherein each outer chamber has an air connection to one of the two central chambers.
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International Search Report and Written Opinion of the International Searching Authority, PCT/EP2007/000223, mailed Apr. 2, 2007.
Brown Peter R.
Michael & Best & Friedrich LLP
Schukra Geraetebau AG
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