| 摘要 |
A walking aid for physically challenged persons having front and back leg assemblies each having a front leg extending forwardly and a rear leg extending rearwardly and wheels at the lower ends of the legs, and modular hinges at the upper ends of each pair of legs. Each modular hinge has a bearing housing with bearing recesses, two bearing bodies, each bearing body being received in a respective recess. Each bearing body is interengagable with a respective front or rear leg, and, a transverse assembly bar is connected to the hinge mounting and secures the hinges in spaced apart side by side relation. Also disclosed is a brake locking system for an in-line two part brake handle, and a multi-use seat for a walker.
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