发明名称 Bobbin thread pull-off for lockstitch looptaker
摘要 A bobbin thread pull-off, attachable to a rotating lock-stitch looptaker in a location to pull bobbin thread from a bobbin after the previous stitch has been set. The pull-off and attachment means are given a thread handling finish prior to assembly to a completed looptaker, no other finishing operations being required after assembly thereto.
申请公布号 US4091753(A) 申请公布日期 1978.05.30
申请号 US19770759515 申请日期 1977.01.13
申请人 THE SINGER COMPANY 发明人 JOHNSON, RALPH EDWARD;RODDA, DONALD
分类号 D05B57/14;(IPC1-7):D05B57/14 主分类号 D05B57/14
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