Chebyshev_walker

Chebyshev linkage application.
Bi-pedal walking apparatus.
Catch the Red bullet B ●, then Please rotate it.

Chebyshev parts/ leg = 4 bars (each length 4,5,5,2)
Crank parts/ leg = 4 bars (each length 1,1, long [ex. =5], 2.5)

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Perhaps, This is very elegant solution in the world. (?!)

Fumio Imai, 10 June 2016, Created with GeoGebra