发明名称 Thread trimmer
摘要 Herein disclosed is a below the throat plate thread trimmer which is moved in a path from the right side of the rotary hook assembly, up and over it and then downwardly to the left of it. The path being in the nature of a compound angle whereby elements of the thread cutter portion pass into the needle thread loop at a most advantageous angle. After securing and separating the bobbin thread and respective legs of the needle thread loop, the thread trimmer is moved to position directly below the needle hole. While in this position the bobbin thread and one leg of the needle thread loop are cut.
申请公布号 US4187792(A) 申请公布日期 1980.02.12
申请号 US19780890346 申请日期 1978.03.27
申请人 UNION SPECIAL CORP 发明人 BOSER, RONALD J;PICCIOTTI, MICHAEL F;SIEGEL, WALTER P
分类号 D05B65/00;(IPC1-7):D05B65/00 主分类号 D05B65/00
代理机构 代理人
主权项
地址