Patent ID: 8215249
Filing Date: 2012-07-10
Classification: D05B

Abstract:
1. A sewing machine that includes a sewing machine head, a needle thread supply and a needle bar configured to accept a sewing needle, the sewing machine comprising: a threading path that is defined at the sewing machine head and that is sequentially engaged with needle thread drawn from the needle thread supply to guide the needle thread when threading the sewing needle; a thread holder that is provided on the threading path and that includes a thread holding plate, thread holding plate being configured to receive an intermediate portion of the needle thread from an outer peripheral side to an inner peripheral side of the thread holder to clamp the needle thread; a thread cutter that is provided on a faceplate that covers an outer surface of the sewing machine head, the thread cutter being configured to cut off a tip of the needle thread to obtain an appropriate thread length when threading the sewing needle; a passage resistance applier that is provided downstream relative to the thread holder provided on the threading path and upstream relative to the thread cutter, the passage resistance applier being configured to apply a predetermined amount of resistance on the needle thread passing through the passage resistance applier to urge the intermediate portion of the needle thread to be positioned to the inner peripheral side of the thread holding plate of the thread holder so that the intermediate portion of the needle thread is clamped by the thread holder; and a cover provided on an outer surface of the faceplate, the thread cutter and the passage resistance applier being provided on an inner surface side of the cover.