The present invention is directed to a wheelchair lift device, more particularly, to a folding wheelchair lift device that is independently operable by a wheelchair user without the wheelchair user exiting their chair. The wheelchair lift apparatus, in various embodiments, may include a linkage frame having a nesting linkage geometry; linkage frame components with alignment and locking features; an extension handle having alignment and locking features; and an adjustable telescopic axle-rest assembly having alignment and locking features.
Wheelchair lift device
2020-10-13
Patent
Electronic Resource
English
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte |