| 摘要 |
PROBLEM TO BE SOLVED: To allow a thread end to be securely drawn out of a needle hole in a threading device for a sewing machine. SOLUTION: The threading device 4 of a lock machine 1 provided with a thread guide means 10 holding a thread T from a bobbin and moving so that the held thread accesses closely needle holes 2a, 3a of sewing machine needles 2, 3 and juts out, and then, releasing the thread and returning to its initial position and a threading hook 25 catching the thread accessing needle holes and jutted out by the thread guide means 10 and moving so that the thread is drawn in the needle hole so as to form a loop, is also provided with a hook 26a catching the thread T when the thread T drawn in the needle holes 2a, 3a comes off the threading hook 25, at a position separated from the threading hook 25, and further, an elastic member 26 moving to such a position that the end of the thread T caught by the thread-catching hook 26a passes through the needle hole.
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