|5255623||Wiper for a sewing machine|
A wiper for a sewing machine wherein a hook portion formed at the tip end portion thereof comprises an inclined guide portion for contacting an upper thread in the forward stroke of a wiping operation of the wiper so as to guide the upper thread toward th...
|5025738||Needle thread drawing device of a sewing machine|
A needle thread drawing device utilizes a thread end holding device rotatably mounted on an arm of a sewing machine. A needle thread gripping puller which can be disposed to be at a thread catch position or a return position has a hook portion at a tip en...