the invention relates to an apparatus for feeding thread in a sewing machine . the apparatus includes a thread feeding pass , a base tension disc , a thread holding device , an encoder , and a thread feeding device . the thread feeding device includes a presser roller and a feeding roller driven synchronously with a sewing needle . when a predetermined length of thread is fed to a thread take - up lever , the thread holding device is actuated to hold and stop the thread without stopping rotation of the thread feeding rollers such that the thread slips on the feeding rollers .