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LEVER-GEAR MECHANISM WITH CIRCULAR AND NONCIRCULAR GEARS AND A RETAINING SLOT

Abstract

Circular gear 1 rotates about fixed axis A and meshes with circular gear 2 which rotates about axis B of link 4. Gear 2 meshes with noncircular gear 3 which rotates about fixed axis C. Rigidly attached to gear 3 is disk d which has slot a. Pin b of link 4 slides along slot a. The pitch curve of gear 3 is a symmetric oval. The profile of slot a is also an oval, equidistant from the pitch curve of gear 3. When driving gear 1 rotates at uniform velocity, driven gear 3 rotates with nonuniform velocity and link 4 oscillates about axis A. $2432$LrG,5L$

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