Model: E03 Eccentric-Slider Mechanism
The slider-crank is a basic mechanism to convert circular motion into oscillating linear motion or vice versa. The eccentric-slider is a topological cousin to the slider-crank in that it has four links, one sliding joint and three cylindrical joints. In the E series of models, Reuleaux created seven variations of this kinematic circuit by changing the ratio of the diameter of the cylindrical joints to the lengths of the links. Reuleaux called this variation “pin expansion.”

In model E-3, the outer brass shell acts as the crank and is driven eccentrically about a joint behind the large disc, moving the horizontal slider back and forth. In this expansion of the slider crank, the crank-connecting link joint diameter is greater than the length of the connecting link, or the slider pin is contained within the connecting link-crank pin.

Francis Moon 2004-07-00

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