Sewving machine

D - Textiles – Paper – 05 – B

Patent

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D05B 1/00 (2006.01) D05B 57/14 (2006.01)

Patent

CA 2004054

ABREGE La griffe (17) de transport du tissu de la machine à coudre est munie d'un fil-ressort (21) coudé en (22) et passant dans un trou d'un pa- tin(23). Lorsque la griffe (17) est en position haute, le patin (23) vient buter contre la plaque (18), ce qui abaisse l'extrémité (24) du fil (21) pour exercer une tension sur le fil inférieur (8) de la couture. Lorsque la griffe de transport s'abaisse, le fil (21) reprend sa position normale, c'est-à-dire que son extrémité (24) se déplace vers le haut par rapport à la griffe (17) et le fil (8) est alors détendu.

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