Patent ID: 7243935
Filing Date: 2007-07-17
Classification: A61G,Y10S

Abstract:
1. A wheelchair, comprising: a substructure; and a sitting support; wherein the substructure is provided with at least two wheels and the sitting support comprises at least one seat, wherein the sitting support is attached via coupling means to the substructure such that, during use, at least the seat is pivotable about a pivot axis extending substantially horizontally, substantially at right angles to a main driving direction of the wheelchair, which pivot axis, viewed in the main driving direction, lies far forward, in particular in front of the center of the seat; wherein the coupling means comprise a blocking provision with which at least the seat can be fixed in a desired pivoted position (φ); and wherein the blocking provision is arranged such that the seat can pivot in a resilient manner about the fixed desired pivoted position (φ) through an angle (φ wherein the pivot axis is formed by a torsion bar; wherein the sitting support, in particular the seat, is supported at a distance from the pivot axis, by at least one damping element; and wherein the at least one damping element is an elastic element filled with air or liquid, which is pivotably connected to the substructure and the seat of the sitting support, and whose length can be blocked.