US 12,403,807 B2
Pneumatic bladder arrangement for a seat and method for manufacturing the same
Martin Kalmutzki, Spalt (DE)
Assigned to SCHUKRA BERNDORF GMBH, Berndorf (AT)
Appl. No. 17/904,862
Filed by SCHUKRA BERNDORF GMBH, Berndorf (AT)
PCT Filed Feb. 22, 2021, PCT No. PCT/EP2021/054322
§ 371(c)(1), (2) Date Aug. 23, 2022,
PCT Pub. No. WO2021/170536, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 20158990 (EP), filed on Feb. 24, 2020.
Prior Publication US 2023/0104360 A1, Apr. 6, 2023
Int. Cl. B60N 2/60 (2006.01); B60N 2/90 (2018.01); A47C 7/14 (2006.01); A47C 20/04 (2006.01); B60N 2/66 (2006.01)
CPC B60N 2/914 (2018.02) [B60N 2/976 (2018.02); A47C 7/142 (2018.08); A47C 20/048 (2013.01); B60N 2/665 (2015.04)] 31 Claims
OG exemplary drawing
 
1. A pneumatic bladder arrangement comprising
a plurality of bladders arranged in an array of rows and columns, wherein the array comprises a first array section and a second array section with the first and second array sections each comprising at least one column of bladders,
wherein bladders of the first array section are connected to bladders of the second array section by a plurality of fluid interconnections, and
wherein the plurality of fluid interconnections provide interconnections of the bladders so that, for a given row, at least two bladders on internal columns, and at least two bladders on external columns, can be controlled independently.