| 摘要 |
Sewing machine claw comprising a body C provided with asperities for advancing the fabric being sewn and with a slot for the needle to pass through, and a mechanism imparting to it its cyclical movement, which comprises means G, L, K, B, S, M for imparting to the body C a reciprocating up and down movement which includes a pause at the top and a reciprocating forward and reverse movement, the forward movement taking place during the pause at the top and the reverse movement taking place when the claw is away from this position. The body C comprises a foot P with teeth 6, the foot P being held between a fixed wall 5 and a toothed cylinder S that is driven in a reciprocating movement and a wing A positioned by a roller G carried by a lever L resting on a cam K, on which cam a nose 11 maintains the body C in the top position. <IMAGE>
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