We've seen various stair-climbing wheelchairs over the years, including the iBot, the Chiba and, most recently, the Scalevo. All those designs kept the "wheel" in the chair, but a new design from Hong Kong relies on a set of robotic "pedrails" that look almost like skinny tank tracks. These articulated pedrails allow the electric B-Free Chair to grip the staircase firmly as it navigates up or down.
.. Continue Reading B-Free wheelchair claws its way up and down stairsSection: Health and Wellbeing
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from Gizmag Emerging Technology Magazine http://ift.tt/1T7CfR7
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