Vehicle seat intended, for example, for such automobile vehicles as cars, trains and airplanes

摘要: The invention relates to a seat intended, for example, automobiles, trains or airplanes, having back-rest, in which there is arranged lumbar-support device whose rigidity can be adjusted by turning wheel mounted on shaft journalled the and vertical setting of vertically displacing with subsequent pivoting shaft. lumbar support comprises horizontally elongated sheet flexible material that bodily displaceable wheel, upon moving toward away from each other opposite horizontal edges thereby cause bow outwardly greater lesser extent. Turning winds filament effect this latter adjustment.