发明授权
- 专利标题： Bobbin spool
- 专利标题（中）： 梭芯线轴
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申请号： US900977申请日： 1978-04-28
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公开(公告)号： US4184652A公开(公告)日： 1980-01-22
- 发明人: Herman Rovin
- 申请人： Herman Rovin
- 申请人地址： CT Bridgeport
- 专利权人： Automatech Industries, Inc.
- 当前专利权人： Automatech Industries, Inc.
- 当前专利权人地址： CT Bridgeport
- 主分类号： B65H75/14
- IPC分类号： B65H75/14 ; B65H75/28
摘要：
A bobbin spool for an automatic sewing machine wherein a predetermined length of thread is wound onto the spool for each sewing operation comprising a hub, spaced parallel flanges at opposite ends of the hub, one of said hubs constituting a turbine wheel by means of which the bobbin may be rotated at a high speed by means of a jet of air and a traction engendering element covering an arcuate portion of the hub.
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