This invention relates to technical field regarding the apparatus designed to facilitate the mobility of disabled persons. In particular, it relates to an additional element that makes comfortable the use of an electric motion driving wheel (4), to be applied to a normal manual wheelchair (1) to turn it into a motor powered one, Tab. 2 Fig. 4, Tab. 3 Fig. 5. This new configuration of manual wheelchair (1) with an electric motion driving wheel (4) applied on it produces an imbalance of the inclination of the wheelchair seat (1); moreover, if the wheelchair runs along long distances, it is subjected to frequent vibration during the running, and this makes uncomfortable the use of this products. The purpose of this invention is to optimize the use of the electric motion driving wheel (4), in order to solve the technical problems described above. The object of the present invention, in fact, is a V shaped cushioning seat (5) which corrects the imbalance of seat and absorbs vibration during the running of a manual wheelchair (1) when it is connected to an electric motion driving wheel (4).
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