i got a task which is to design a chairless chair or known as the invisible chair which help workers to comfort their leg after standing up for too long. but i have a problem regarding limited of budget which i plan on replace the hydraulic system with mechanical system using hinge and bolt . but im worried it might not work. do anyone have any suggestion about this?

if you are clueless on what is a chairless chair , here i attached the link about the information

http://edition.cnn.com/2014/08/20/tech/innovation/the-chairless-chair/

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