| 摘要 |
A wheelchair tow device which includes a frame sub-assembly, at least one front ground engaging wheel, at least one rear ground engaging wheel, a motive source capable of rotating at least one of the at least one front ground engaging wheel and the at least one rear ground engaging wheel, an energy storage device, wherein the energy storage device is in electrical communication with the motive source, and a handle assembly. |
| 主权项 |
1. A wheelchair tow device, comprising:
a frame sub-assembly; at least one front ground engaging wheel, wherein the at least one front ground engaging wheel is rotatably connected to the frame sub-assembly and positioned substantially coplanar with a first horizontal plane; at least one rear ground engaging wheel, wherein the at least one rear ground engaging wheel is associated with the frame sub-assembly and positioned substantially coplanar with a second horizontal plane, wherein the second horizontal plane is positioned below the first horizontal plane; a motive source capable of rotating at least one of the at least one front ground engaging wheel and the at least one rear ground engaging wheel; an energy storage device, wherein the energy storage device is in electrical communication with the motive source; and a handle assembly, wherein the handle assembly is pivotally connected to the frame sub-assembly and wherein the handle assembly comprises means for operating the motive source. |
