bike brakes (photo)bike chain derailer (photo)bike seat post suspension (photo)parallelogram linkage support used to keep a hydraulic tapping head horizontal (photo)Biped walking robot performing an aerial maneuver (video)Biped walking robot rocking back and forth (video) bowling pin loading and spotting mechanisms (video)Peaucellier straight-line linkage used for pin sweep (animation)FormulaSAE car front suspension (photo)Mars micro-rover mobile robot (photo)Quadruped robot bounding gait (video)