| 摘要 |
PROBLEM TO BE SOLVED: To prevent the end of a needle thread from contacting with an inner shuttle race face while having constitution which can be applied to a cylinder bed sewing machine. SOLUTION: This device is provided with: a holding part 21 for holding the end of the needle thread; an insert-holding part 31 which is moved relatively to an insert-holding position and an opening position with respect to the holding part to insert-hold and open the end of the needle thread between with the holding part; an insert-holding means 20 which is moved to a first moving position on the vertical movement path of a needle at the beginning, a second moving position separated to the side of a sewing machine standing barrel from there after starting sewing and a third moving position separated in addition after several stitches; a moving means 40 for moving the insert-holding means 20 from the first moving position to the third moving position; and a related operation means 60 which arranges the holding part 20 and the insert-holding part 31 to insert the vertical movement path N of the needle at the first moving position, makes them approach each other in the case of moving to the second moving position and separates them from each other at the third moving position 60. COPYRIGHT: (C)2004,JPO&NCIPI
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