Stair Chair Lift: Exploration of Ideas

Exploration of ideas:

Look for some information to answer the following questions:

• What is a Stairlift? 

• What is a screw nut mechanism? 

Include some figures to your work.

Some help: Use the following links to complete this section:

http://en.wikipedia.org/wiki/Stairlift

http://nupet.daelt.ct.utfpr.edu.br/_ontomos/paginas/AMESim4.2.0/demo/Applications/ScrewNut/ScrewNut.htm