Sewing device for use in multi-needle sewing machine

A sewing device for use in multi-needle sewing machines comprising:

• a needle unit with a plurality of needles arranged in a row, in which a needle holder for each of said plurality of needles is supported on a needle bed in a manner slidable in a direction parallel with the row of needls and in which means for fixing each needle holder to any slided position is provided;
• a presser foot unit with a plurality of presser feet, in which each of said presser feet is held on a presser foot holder in a manner slidable in a direction parallel with the row of needles in which means for fixing each presser foot to any slided position is provided;
• a throat plate unit with a plurality of throat plates of at least one type and width, in which each of said throat plates is held on a throat plate holder in a manner slidable in the direction parallel with the row of needles and in which means for fixing each throat plate to any slided position is provided;
• a feed dog unit with a plurality of feed dogs of at least one type and width, in which each of said feed dogs is held on a feed dog holder in a manner slidable in the direction parallel with the row of needles and in which means for fixing each feed dog to any slided position is provided;
• and
• a looper unit with a plurality of loopers, in which each of said loopers is held on a looper holder in a manner slidable in the direction parallel with the row of needles and in which means for fixing each looper to any slided position is provided;
• whereby the interval between the needles of the needle unit, the presser feet of the presser foot unit, the throat plates of the throat plate unit, the feed dogs of the feed dog unit and the loopers of the looper unit can be adjusted and varied.