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Rotary hook with bobbin case for a lockstitch sewing machine including means to reduce the plays between bobbin case and basket and to reduce the noise thereof
Rotary hook with bobbin case for a lockstitch sewing machine including means to reduce the plays between bobbin case and basket and to reduce the noise thereof
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机译：用于平缝缝纫机的带梭壳的旋梭，包括减小梭壳和篮子之间的游隙并降低其噪音的装置
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摘要
A rotary hook (1) of a lockstitch sewing machine composed of at least one hook body (2) includes a cylindrical cavity (11) and a basket (6, 6b) free to rotate in the cylindrical cavity (11), a bobbin case (8, 8b) housed in the basket (6, 6b) and a bobbin (4, 4b) housed in the bobbin case (8, 8b), elements (30, 40, 50, 60, 61, 70,) suited to create a friction between the bobbin case (8, 8b) and the basket (6, 6b), so as to prevent the bobbin case (8, 8b) to move freely and to vibrate within the plays present between the bobbin case (8, 8b) and the basket (6, 6b) and to consequently reduce the noisiness created during the sewing operation.
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机译：至少由一个钩体（ 2 ）组成的平缝缝纫机的旋转钩（ 1 ）包括一个圆柱形腔（ 11 ）和一个可以在圆柱腔（ 11 ）中自由旋转的篮子（ 6，6 b ），梭壳（ 8，8 b ）放在篮子（ 6，6 b ）和梭芯（ 4、4 b ）容纳在梭壳（ 8，8 b ）中，元素（ 30、40、50、60、61 ，70，）适合在梭壳（ 8、8 b ）和购物篮（ 6、6 之间产生摩擦> b ），以防止梭壳（ 8、8 b ）自由移动并在两个梭壳（ 8，8 b ）和购物篮（ 6，6 b ）并因此减少缝纫过程中产生噪音。
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