Patent ID: 7052090

Claim:
An adaptive pneumatic seat cushion and backrest cushion for vehicles and aeroplanes, comprising: a seat cushion and a backrest cushion which can be connected; the seat cushion and the backrest cushion further comprises: an airtight shell filled with compressed air, wherein said shell is divided into an upper skin and a lower skin; a plurality of webs arranged between the upper skin and the lower skin, wherein said plurality of webs are adapted to connect the upper skin and the lower skin; wherein the plurality of webs include first webs which are single webs and second webs which are double webs so that in each case at least one cavity is formed between at least two of the plurality of webs; wherein the at least one cavity is closed off from its surroundings in an airtight manner, except for an aperture for letting compressed air in or out; an interior of the shell can be filled with compressed air at a first pressure level p 1 ; the cavities can be pressurised at a second pressure level p 2 ; and wherein said second pressure level p 2 is greater than said first pressure level p 1 .