Patent ID: 8827284

Claim:
A knee walker assembly comprising: a frame with opposing front and rear ends; a handle mounted to the frame; at least one rear wheel mounted to the frame proximate the rear end thereof; at least one front wheel mounted to the frame proximate the front end thereof; a support platform configured to support at least a portion of an appendage; and a collapsible stanchion arrangement movably mounting the support platform to the frame, the collapsible stanchion arrangement including a trolley, a first stanchion attached at a first end thereof to the support platform and attached at a second end thereof to the trolley, and a second stanchion attached at a first end thereof, via a sliding hinge, to the support platform and attached at a second end thereof to the frame, the trolley being slidably mounted to the frame such that movement of the trolley relative to the frame operates to adjust a vertical height of the support platform.