Patent ID: 6276289
Filing Date: 2001-08-21
Classification: D05B

Abstract:
Device for cutting of one or more sewing threads in a sewing machine, which operates with one under thread (15) and at least one upper thread (17), wherein the device includes a thread fetcher (18) arranged to catch and bring the thread or threads to a cutting position, the thread fetcher being movable between the cutting position and at least one thread catching position to selectively catch the upper and/or the lower thread, the thread fetcher (18) having a first catching position for the catching of the upper thread (17) only, a second catching position to selectively catch either the under thread (15) only or the upper thread and under thread, a knot forming mechanism of the device including a gripper (12) arranged for selectively bringing the upper thread (17) to said first or second catching positions and a knife (26) which cooperates with the thread fetcher (18) to cut the thread or the threads.