Patent ID: 8684113
Filing Date: 2014-04-01
Classification: A61G

Abstract:
1. A propulsion apparatus attachable to an unpowered wheelchair enabling powered or manual operation of the wheelchair comprising: (a) a crossbar adjustably extending across the wheelchair and affixable to frame members on the sides of the wheelchair; (b) a steering column capable of first and second telescoping adjustments, pivotally connectable to the crossbar and rotatable in a vertical plane further comprising: (c) a battery supplying power to operate the apparatus; (d) a controlling means attached to the steering means and enabling distribution of power from the battery and routing electrical signals to and from command devices further comprising; (e) a braking means configured as part of the steering mechanism to control the speed of the powered wheel; (f) a header tube clamp assembly concentrically configured around the lower portion of the steering column and telescopically affixable to the header tube located at the lower end of the steering column and pivotally connectable to the crossbar and enabling rotation of the steering column in a vertical plane; (g) an electrically powered wheel rotatable around a central axle with the ends of the axel fixed at the ends of the steering fork branches on the lower portion of the steering column.