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 press bed 3. Bed 3 slides in fixed guides b-b and has gear rack a which meshes with pinion 4. Pinion 4 rotates about fixed axis D and meshes with a rack of carriage 5 on which printing roll 6 is mounted. When crank 1 rotates, carriage 5 reciprocates.
$2553$LrG,FD$