Types of Linear Movement Mechanisms

#1

What are the different mechanisms that allow linear movement(such as VEX linear rails)?

They system doesn’t need to be powered just slide linearly.

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#2

Most people use four bars or double reverse four bars.

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#3

4 bars aren’t linear

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#4

The most common form is a elevator lift, also called a linear lift and a cascade lift. The basic principle is connecting your chain to your lift stages so that the stages move up and down with the chain. Here’s a great example from @jpearman:

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#5

Cascade liftScreenshot_20190313-081945
Cascade lift

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