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Four-bar linkage

technology Maturity 11-13

Some machines use four bars.

Linkage four bar fixed.svg
Linkage four bar fixed.svg
These bars make a loop. They move together in a special way. This helps machines do work. It can even help a pump move.
Pump jack animation.gif
Pump jack animation.gif
Can you find a machine like this?

43 words
🖼️ Images & Media (2)
File:Pump jack animation.gif
Pump jack animation.gif
File:Linkage four bar fixed.svg
Linkage four bar fixed.svg
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📚 Content adapted from Wikipedia | Readability: FK 13.3 | Vital Level 5