NEEDLE THREADER FOR OVERSEAMING MACHINE Russian patent published in 2016 - IPC D05B87/02 

FIELD: machine building.

SUBSTANCE: proposed is a needle threader for overseaming machine, which makes it possible to make the whole machine compact and enables reliable needle threading by operator with one hand. Needle threader comprises a threading shaft which moves vertically and is supported with possibility of rotation, the core of the shaft is taken for the central axis; a threading hook attached to the lower end of the threading shaft including the hook part to be inserted into the stitching needle's eye, and the first guide section which directs the hook part into needle's eye; thread directing element which directs the needle thread in the hook part near the limit point of the threading shaft lowering. Threading hook rotates to preset angle so that the hook part gets inserted into the stitching needle's eye near the limit point of the threading shaft lowering. Threading hook and thread directing element rotate in opposite directions relative to each other, thus the thread directing element rotates to preset angle so that a part of the thread hooking crosses the stitching needle outside position of the stitching needle near the limit point of the threading shaft lowering.

EFFECT: threading shaft moves according to the relative mutual arrangement between the eyes of multiple stitching needles.

9 cl, 28 dwg