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LEVER-GEAR SCOTCH-YOKE MECHANISM WITH ELLIPTICAL GEARS

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Elliptical gear 1 rotates about fixed axis A and meshes with an identical elliptical gear 2 which rotates about fixed axis B. Points A and B are foci of the elliptical pitch centrodes of gears 1 and 2. Crank 4 is rigidly attached to gear 2 and is connected by turning pair C to slider 5. Slider 5 moves along slot a-a of link 3 which, in turn, slides in fixed guide d. When driving gear 1 rotates, link 3 reciprocates. Gear 2 has a circular slot b for varying the motion of link 3. The type of motion of link 3 can be changed by clamping crank 4 at various positions in slot b with screw 6.
$2431$LrG,5L$

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Documents: Gear mechanisms  [Streambook]
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