发明名称 Thread feeding apparatus for sewing machine
摘要 The invention relates to an apparatus for feeding thread in a sewing machine. The apparatus includes a thread feeding pass, a base tension disc, a thread holding device, an encoder, and a thread feeding device. The thread feeding device includes a presser roller and a feeding roller driven synchronously with a sewing needle. When a predetermined length of thread is fed to a thread take-up lever, the thread holding device is actuated to hold and stop the thread without stopping rotation of the thread feeding rollers such that the thread slips on the feeding rollers.
申请公布号 US4649844(A) 申请公布日期 1987.03.17
申请号 US19850813895 申请日期 1985.12.27
申请人 MATSUBARA, TORU 发明人 MATSUBARA, TORU
分类号 D05B45/00;D05B47/04;D05B51/00;(IPC1-7):B65H57/00 主分类号 D05B45/00
代理机构 代理人
主权项
地址