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WEDGE-TYPE INTERMITTENT MOTION MECHANISM

Pin 1 simultaneously enters three slots, a, d and b, milled in links 2, 3 and 4, respectively. When link 2 is displaced, motion is transmitted by pin 1 to link 4. Link 4 moves as long as pin 1 is in the horizontal portion of slot d of fixed link 3. As soon as pin 1 enters the upper or lower vertical portion of slot d, link 4 stops. Link 2 continues to move until pin 1 reaches its extreme position …