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发明公开
CN107109747A 垂直全旋转钩 有权

垂直全旋转钩
摘要：
为了防止断线以及线球的产生，而在内钩(3)的卡合凹部(28)设置弹簧部件(50)，将线轴壳体(5)的卡合片(27)的卡合部(27a)向旋转方向(A)下游侧弹簧施力，抑制线轴壳体(5)相对于内钩(3)的松动以及振动。
摘要（英）：

In order to prevent thread breakage and generation of balls of thread, a spring member (50) is provided in an engagement recess part (28) of an inner hook (3) to spring bias an engagement part (27a) of an engagement piece (27) of a bobbin case (5) toward a downstream side of a rotation direction (A) so as to keep the bobbin case (5) from rattling and vibrating against the inner hook (3).

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