Friday, March 25, 2011

eLearning Lesson 2 by Koh Su En (02)

The first one is a movable pivot.
The second one is a fixed pivot with guides.
The third one is using a slider, fixed pivot and a circle.

The fourth one is a normal chair with the lever to pull when want to adjust the height of the chair. But by doing that, we have to bend down a bit to adjust it. So I'd suggest that we add a linkage (look at picture 5). Then when you can use your foot to adjust the height of the chair, and it can act as a foot rest.

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