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公开(公告)号：US20240175186A1
公开(公告)日：2024-05-30
申请号：US18522155
申请日：2023-11-28
申请人： JUKI CORPORATION
发明人： Tatsuya Ogawa , Takahiro Higa , Kuniaki Sato , Hajime Nakayama , Juan Zhang
摘要： A sewing machine includes: a sewing needle; a shuttle, cooperating with the sewing needle to form a seam; a pressing member, pressing a sewing object disposed at a sewing position immediately below the sewing needle; a feed mechanism, in which endless feed belts feeding the sewing object disposed at the sewing position from the sewing position along a first direction are disposed on two sides with respect to the sewing position in a second direction orthogonal to the first direction, and in which a belt drive part is provided; a needle drive part, provided separately from the belt drive part, and moving the sewing needle in the first direction; and a control part, exerting control so that the belt drive part and the needle drive part operate independently.
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公开(公告)号：US20240175183A1
公开(公告)日：2024-05-30
申请号：US18522174
申请日：2023-11-28
申请人： JUKI CORPORATION
发明人： Tatsuya Ogawa , Takahiro Higa , Kuniaki Sato , Hajime Nakayama , Juan Zhang
摘要： A sewing machine includes: a sewing needle, holding an upper thread; an upper thread tension adjustment mechanism, adjusting a tension of the upper thread; a shuttle cooperating with the sewing needle to form a seam; a feed mechanism, in which endless feed belts feeding a sewing object disposed at a sewing position along a first direction are disposed on two sides with respect to the sewing position in a second direction orthogonal to the first direction, and in which a belt drive part independently driving the feed belts on two sides with respect to the sewing position in the second direction is provided; and a control part, controlling the mechanism, so that, from beginning to end of sewing, a tension of the upper thread varies in an amount according to a difference between feed amounts of the feed belts.
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