Crank 1 is rigidly attached to gear 10 and rotates about fixed axis A. Gear 10 meshes with gear 2 which rotates about axis E of connecting rod 11. Gear 2 meshes with gear 3 which rotates about axis C. Gear 4 is rigidly attached to gear 3 and meshes with gear 5 which rotates about fixed axis D. Connecting rod 11 is connected by turning pairs B and C to crank 1 and rocker arm 12 which turns about axis D. When crank 1 rotates at uniform velocity, gear 5 rotates in both directions to each cycle of motion. Through gears 6 and 8, meshing with gear 5, reversing rotary motion is transmitted to fluted rolls 7 and 9 which scutch material 13 being fed into the scutcher.
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