WINDING DEVICE OF A BOBBIN YARN IN A SEWING MAHCINE FOR PREVENTING ABRASION OF A THREAD WINDING RING

摘要

PURPOSE: A winding device of a bobbin yarn in a sewing machine is provided to have an enough space for a position for assembling a thread winding wheel and to prevent abrasion of a thread winding ring.;CONSTITUTION: A winding device of a bobbin yarn in a sewing machine comprises: a rotation piece(16) which is mounted at the lower portion of a thread winding lever and is rotated by the thread winding lever; a thread winding operator(20) which linearly moves to a forward or backward direction by rotation of the oration piece; a thread winding ring(12) which moves according to the forward or backward movement of the thread winding operator; and a thread winding wheel which rotates a thread winding axis(15).;COPYRIGHT KIPO 2012