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RATCHET DIAL FEED MECHANISM

Feed dial 3 rotates about fixed axis A. In the downstroke of reciprocating slide 1 in fixed guide d, pin a turns pawl 2 about fixed axis B and releases feed dial 3. At the same time, pawl 4, pivoted on slide 1, disengages a tooth of ratchet wheel 5, sliding over the next tooth with which it is brought into engagement by a flat spring. In the upstroke of slide 1, pawl 4 turns ratchet wheel 5 throug…