Patent ID: 8777249
Filing Date: 2014-07-15
Classification: A61G,B62M

Abstract:
1. A hand motion wheelchair assembly for propelling a wheelchair, the wheelchair having two small front wheels and two large rear wheels, a seat portion, and a pair of armrests, the hand motion wheelchair assembly comprising: a first gear wheel secured to each large rear wheel; a second gear wheel secured to each armrest and positioned directly over the first gear wheel, the second gear wheel being encased by a cover; a chain secured over and between the first gear wheel and the second gear wheel, the chain extending from an opening formed in the cover; rotatable handles mechanically attached to each armrest on each side of the wheelchair, each handle having a handle grasping portion extending in a generally upward vertical direction from each armrest; and a control linkage extending between the handles and the second gear wheels and mounted directly to and directly under the armrest such that rotation of the handles also rotates the second gear wheels, the control linkage being perpendicular to a line formed between the first gear wheel and the second gear wheel.