Abstract: A buttonhole presser device includes a fabric presser unit; a fabric feed frame unit including a start position detecting member and an immovable receiving portion, the fabric feed frame unit being slidable relative to the fabric presser unit between a start position and an end position of the buttonhole; a button-diameter measuring unit including an end position detecting member and a movable receiving portion, the button-diameter measuring unit being configured to grip a button by being slid relative to the fabric feed frame unit; and a fixing unit that fixes the button-diameter measuring unit to the fabric feed frame unit when the button-diameter measuring unit is gripping the button between the immovable receiving portion and the movable receiving portion and that allows the button to be removed after the button-diameter measuring unit has been fixed to the fabric feed frame unit.

Abstract: A fabric rest board for use with a serger machine. The fabric rest board is an L-shaped, substantially flat, rigid piece. One leg of the L-shaped fabric rest board is positioned to extend substantially in parallel with, and along or adjacent to, an edge of a work table. The other leg of the L-shaped piece extends substantially perpendicular from the edge of the work table adjacent a bag attached to the serger machine for collecting cut pieces of fabric. The serger machine rests on the leg of the support piece which extends substantially parallel with, and along or adjacent to, the edge of the work table. The weight of the serger machine fixes the position of the fabric rest board on the work table. The operator uses the perpendicular leg to rest the fabric as the fabric is moved through the serger machine. The fabric is thereby prevented from falling between the serger machine and the operator which, if this occurs, can cause incorrect cuts or stitches.

Abstract: A method utilizes a group of four stitchings and a nylon cord which are implemented into the seam of an article of clothing to create a tear-resistant seam. The first step in the sequence of stitching is a serging stitch which attaches the two pieces of material together, creating a seam. The second step is to sew a nylon cord in the seam created by the serging stitch by way of a first zigzag stitch. The first serging stitch and the first zigzag stitch are adjacent to each other and do not overlap one another. The third step is to stitch two lines of straight stitching adjacent to each other and directly adjacent to the first zigzag stitch of the second step. The fourth and final step is a second zigzag stitch which will overlap the first zigzag stitch and the first of the two lines of straight stitch of the third step. Upon completion of these four steps, the newly created seam is tear-resistant.

Abstract: A multiple-stitch zigzag stitching device for a sewing machine comprises a vertical swinging member rotatably supported on a base and adapted for rotation upon vertical movement of a needle bar on the sewing machine, and a horizontal swinging member rotatably supported by the base and carrying a ratchet wheel to which a cam is eccentrically attached. A fabric holding member is connected to the horizontal swinging member for horizontal rotation therewith. A locking member has one end connected to the vertical swinging member and another end engaged with the outer periphery of the ratchet wheel on which a number of teeth are provided. Vertical rotation of the vertical swinging member causes horizontal reciprocatory movement of the locking member to rotate the ratchet wheel intermittently to thereby rotate the eccentric cam, so that the horizontal swinging member is rotated horizontally to permit horizontal reciprocatory movement of the fabric holding member.