Quick Return Mechanism

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A vertical pin is rotated with a crank mounted on a vertical drive shaft. As the pin turns, it slides in a fork and swings it to and fro around a hinge. This converts rotary to swinging motion. One of the major characteristics of this drive is that the motion of the fork is faster in one direction than in the other.

Contributed by: Sándor Kabai (December 2008)
Open content licensed under CC BY-NC-SA




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