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LEVER-CAM ROLLING-LEVER MECHANISM

Crank 1 rotates about fixed axis A and is connected by turning pair B to connecting rod 2 which, in turn, is connected by turning pair C to lever 3. Lever 3 turns about fixed axis D. Lever 4 turns about fixed axis E and has clevis a along which roller b of link 5 slides. Link 5 slides in fixed guide p. The cam surface of lever 3 is along a circular arc of radius r. The cam surface of lever 4 is a …