Abstract: An apparatus for stitching a component is provided. The apparatus having: an awl bar assembly, the awl bar assembly having an awl configured to be moved from a withdrawn position to an inserted position; a needle bar assembly having a needle, the needle movable between an inserted and a withdrawn position, the needle bar assembly being pivotally mounted to a pivot; and a biasing member coupled to the needle bar assembly, the biasing member being arranged to pivot and align the needle bar assembly in response to the needle being moved to the withdrawn position.

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.