US 12,144,767 B2
Dynamically adjustable width wheelchair
Quinn Alexander Joyce, Naperville, IL (US); and Eric Eagon, Des Peres, MO (US)
Assigned to Purdue Research Foundation, West Lafayette, IN (US)
Filed by Purdue Research Foundation, West Lafayette, IN (US)
Filed on Mar. 31, 2021, as Appl. No. 17/218,514.
Claims priority of provisional application 63/018,097, filed on Apr. 30, 2020.
Prior Publication US 2021/0338501 A1, Nov. 4, 2021
Int. Cl. A61G 5/10 (2006.01); A61G 5/08 (2006.01); A61G 5/12 (2006.01)
CPC A61G 5/1062 (2013.01) [A61G 5/0825 (2016.11); A61G 5/122 (2016.11)] 17 Claims
OG exemplary drawing
 
1. A wheelchair, comprising:
a seat comprising a rail on a bottom side of the seat;
a first chassis connected to a first wheel on a first side of the wheelchair, the first chassis comprising a first strut configured to laterally translate and slide along the rail while supporting the seat;
a second chassis connected to a second wheel on a second side of the wheelchair, the second chassis comprising a second strut configured to laterally translate and slide along the rail while supporting the seat; and
a jack connected to the first chassis and second chassis, the jack operatively configured to cause the first and second chassis to expand away from each other and to contract toward each other to vary a width between the first side and second side of the wheelchair.