- Base 4-bar provides seat movement.
- Seat back located on dyad allows force from user's back to help
lift seat.
- Pedals attached to another dyad which drives 4-bar.
- Handlebars attached to dyad which also drives 4-bar.
- Designed by Tim Berg, Graduate Student, University of Minnesota, 1995.
animation:
(The arrows represent simulated forces exerted by the
user on the machine.)