Patent ID: 6957617
Filing Date: 2005-10-25
Classification: D05B

Abstract:
1. A thread guide threading apparatus threading a thread guide provided in a lower part of a sewing machine head, the apparatus comprising: a moving member mounted on the sewing machine head so as to be slid; a pivot arm pivotally mounted on the moving member so as to be caused to pivot and so as to slide the moving member when an operating force is applied thereto; and a hook member pivotally mounted on the moving member and coupled to the pivot arm so as to operated in synchronization with the pivot arm, the hook member having a threading hook, the hook member performing a first rocking switching the hook member from a standby position where the threading hook is not threaded to an operating position, based on action of an operating force upon pivoting of the pivot arm, the hook member further performing a sliding movement in which the hook member is slid from the operating position together with the pivot arm and the moving member to thread the thread guide and a second rocking in which the hook member is rocked to be returned to the standby position after having threaded the thread guide.