Piece of furniture to sit on

摘要

Piece of furniture to sit on, of the type comprising a frame (2), having at least one bearing face formed of a supple element (6) that is stretched by means of clamping means (5), characterised in that the clamping means (5) at least consist of two parts on the one hand, a first part (7) assuming a certain position in relation to the frame (2) of the piece of furniture (1) to sit on and a second part (8) onto which the above-mentioned supple element (6) is fixed respectively, and means (9) which make it possible to move the second part (8) in relation to the first part on the other hand, especially to move it systematically, in particular up to a specific end position, such that a stretch effect is created in the supple element (6) by realising said movement.