over the years there have been a lot of concepts thrown around on the wheel chair, but this one looks functional and manufacturable:
That’s pretty cool. It needs red tires though 70’s-80’s BMX style.
speaking of wheelchairs and easy manufacturability…
http://www.freewheelchairmission.org/index.html
each wheelchair costs $44.40 to produce and is given for free to one in need in a 3rd world country…pretty sweet
This wheelchair by Dean Kamen introduced the technology that made him famous via the Segway:
http://www.independencenow.com/home.html
I love how it can climb stairs.