| 摘要 |
An adjustable seat back assembly, molded to a frame of a wheelchair, the frame comprising an upwardly extending rear frame portion comprises a seat back support movably coupled to said frame for movement between first and second orientations, a first angle adjustment member mounted to one of the seat back supports at the rear frame portion and a user-operable adjustment assembly mounted to the other of the seat back supports at the rear frame assembly. The adjustment assembly comprises a second adjustment member sized for cooperation with the first adjustment member as said back is moved between said first and second orientations, a toolless, user-operated adjustment member lock for securing the first adjustment member to the selected one of a plurality of positions relative to the second adjustment member and a slide mount by which one of the first adjustment members and the adjust assembly is slidably mounted to either the seat back support or the rear frame portion. <IMAGE> |
