It is consists of bearing, screw shaft, ball nut, hinge, guiding set, and others.
All were made from mild steel because it is to reduce cost as to achieve the main purpose for this project.
I have measured all the length of leg parts for common people.
By referring to measurement that has been done, the first sketch was to shown the basic concept for leg movement or motion during treatment.
The second sketch is the re-improved sketch after doing some discussion with supervisor.
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