Patent ID: 8590647
Filing Date: 2013-11-26
Classification: A61G,B62B

Abstract:
1. A wheelchair tow device for propelling a wheelchair while occupied by a user, the wheelchair tow device comprising: a frame sub-assembly; driven front ground engaging wheels rotatably connected to the frame sub-assembly and rotatable about a horizontal axis; non-driven rear ground engaging wheels pivotably connected to the frame sub-assembly about vertical pivot axes and rotatable about horizontal axes; a motive source for driving the front ground engaging wheels; an energy storage device, wherein the energy storage device is in electrical communication with the motive source; a charging port in electrical communication with the energy storage device to facilitate recharging of the energy storage device; a cover member attached to the frame sub-assembly, wherein at least the motive source and the energy storage device are contained within the cover member; a handle assembly for being gripped by the user during propulsion and translation of the wheelchair tow device, wherein the handle assembly is pivotally connected to the frame sub-assembly, and wherein the handle assembly comprises means for operating the motive source and means for braking and controlling a direction of the wheelchair tow device; and wherein the rear ground engaging wheels are each located substantially rearward of a location where the handle assembly is pivotally connected to the frame sub-assembly.