How can i make an intake elastic

Hello,
I know the basic structure of an intake (you just strech rubber bands to 2 gears and spin them very fast) but how you make it a little go up and down (for example to scoring)

I know many teams use a 2 bar lift mechanism, which is free hanging from a joint. There are many YouTube videos that may help you, so some research may help! This video (below) was the first thing I found and should be of help.
Credit to Drumroll Please Robotics, 3131V

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Hi again,
Also I need a nearly 30 degree platform where triball whill climb in, how can i put it

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We can find the hole spacing with a tangent function (correction to my earlier post):


This shows the hole spacing to grt a 30 degree angle. (Incline your plate/metal piece 7 holes long and 4 holes high)
As for mounting, you can use a shaft collar-standoff setup

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Great idea, thanks for your help

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