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RATCHET MECHANISM FOR CONVERTING RECIPROCATING MOTION INTO ROTATION

When slide 1 moves to the right, motion is transmitted through lever 2 to lever 3 which turns freely on shaft 11 about fixed axis A. At this, pawl 4, held in engagement with the teeth of ratchet wheel 6 by flat spring 5, turns wheel 6 counterclockwise together with shaft 11 to which it is keyed. When slide 1 moves to the left, motion is transmitted through lever 7 to lever 8 which turns freely on …