Why don't companies make wheelchairs that can go up and down stairs, like the stair-climbing carts? - Quora
![Figure 1 from Two-legged stair-climbing wheelchair and its stair dimension measurement using distance sensors | Semantic Scholar Figure 1 from Two-legged stair-climbing wheelchair and its stair dimension measurement using distance sensors | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/4f4e4d0cf1eafbd91209c17f41ec80b53f5f37ba/1-Figure1-1.png)
Figure 1 from Two-legged stair-climbing wheelchair and its stair dimension measurement using distance sensors | Semantic Scholar
![Schematic diagram of a wheelchair in (a) standard mode (b) two-wheeled... | Download Scientific Diagram Schematic diagram of a wheelchair in (a) standard mode (b) two-wheeled... | Download Scientific Diagram](https://www.researchgate.net/publication/307644767/figure/fig1/AS:722426644160513@1549251342142/Schematic-diagram-of-a-wheelchair-in-a-standard-mode-b-two-wheeled-mode.png)
Schematic diagram of a wheelchair in (a) standard mode (b) two-wheeled... | Download Scientific Diagram
![Figure 4 from User Centric Designed Mechanism For stairs-climbing Wheelchair ( manual ) | Semantic Scholar Figure 4 from User Centric Designed Mechanism For stairs-climbing Wheelchair ( manual ) | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/413ffb7e4f07f44a83caf3ce27c133e022764c66/4-Figure4-1.png)