Upper decoration mechanism and sewing machine
AssigneeJanome Corporation
InventorTomoro Mifuji
Life of this patent
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Abstract
An upper decoration mechanism and a sewing machine without requiring an operation of detaching the upper decoration mechanism from the sewing machine without reducing workability even when performing a double chain stitch not using a decoration thread. The upper decoration mechanism provided on a sewing machine includes an expansion retraction mechanism configured to switch a spreader between an expanded state where the spreader cooperates with needles for performing an upper decoration sewing and a retracted state where the spreader is separated from the needles.
Claims5
An upper decoration mechanism provided on a double chain stitch sewing machine, the upper decoration mechanism comprising:
- an expansion retraction mechanism configured to switch a spreader between an expanded state where the spreader cooperates with a needle for performing an upper decoration sewing and a retracted state where the spreader is separated from the needle;
- and
- an upper decoration thread guide configured to guide an upper decoration thread to the spreader, wherein
- the upper decoration thread guide is configured to move in a vertical direction while being interlocked with the spreader to switch the spreader between the expanded state and the retracted state.
Dependencies are inferred from the claim text.