The present invention pertains to a robot for moving along uneven terrain. The robot comprises a body having an exterior surface and a device for defining the terrain around the body. There is also a device for moving the body. The moving device includes legs, at least one of which are capable of being...http://www.google.com.au/patents/US5005658?utm_source=gb-gplus-sharePatent US5005658 - Orthogonal legged walking robot