US 12,109,155 B2
Wheelchair lift assembly for vehicles
Johnathan T Allen, Bismarck, ND (US)
Filed by Johnathan T Allen, Bismarck, ND (US)
Filed on Oct. 18, 2022, as Appl. No. 18/047,471.
Prior Publication US 2024/0122774 A1, Apr. 18, 2024
Int. Cl. A61G 3/06 (2006.01)
CPC A61G 3/062 (2013.01) [A61G 3/067 (2016.11)] 5 Claims
OG exemplary drawing
 
1. A wheelchair lift assembly comprising:
a housing
a hinged lifting and lowering mechanism attached to said housing;
a horizontally extendable and retractable platform attached to said hinged lifting and lowering mechanism, so that said platform nests within said housing in a horizontally retracted position and extends outwardly away from said housing in an extended position;
a hinged safety stop mechanism attached to one edge of said platform, wherein said hinged safety stop moves between an upward position for creating a barrier along said one edge of said platform and a lower position for removing said barrier;
wherein said platform comprises first and second platform panels that are disposed in parallel, stacked relation when said platform is in a retracted position, and which are disposed in a common, generally horizontal plane when said platform is in an extended position;
wherein a pair of hinged elbow joint supports are disposed beneath said platform panels; and
wherein a linear actuator is operatively attached to one of said hinged elbow joint supports so that said linear actuator extends and retracts said platform by extending and retracting said one of said hinged elbow joint supports.