The Swiss Take on Stair-Climbing
Stair-climbing wheelchairs are far from a new concept. We’ve all heard of the iBot, the stair-climbing wheelchair sold by Johnson & Johnson from the 1990s. Now a completely new design has been created by students at the Swiss Federal Institute of Technology in Zurich, Switzerland.
Called Scewo, their stair-climbing wheelchair balances on two wheels much like the iBot, but what makes their version different is that it has two treaded rubber tracks mounted on the bottom of the chair, giving the chair much needed stability as it climbs. Thanks to these and its wide base, it can even climb spiral staircases. The tracks can even be used at ground-level for snow and sand.
While the chair is still in prototype-mode, the students have teamed up