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1. 发明授权

US3561382A Universal work feeding mechanisms for sewing machines 失效
标题翻译：用于缝纫机的通用工作进给机构
公开(公告)号：US3561382A
公开(公告)日：1971-02-09
申请号：US3561382D
申请日：1969-09-29
申请人： SINGER CO
发明人： KETTERER STANLEY J , EDWARDS WILLIAM J
IPC分类号： D05B27/04 , D05B73/12 , D05B27/20 , D05B3/02
CPC分类号： D05B27/04 , D05B73/12
摘要： A universal work feeding mechanism for a zigzag sewing machine whereby the needle jogging mechanism may be converted conveniently into a work feeding mechanism for transporting the work fabric laterally of the usual direction of feed of the work through the machine. By means of a novel pattern cam for the needle jogging mechanism of the sewing machine lateral work feeding may be accomplished, and a special sewing machine presser foot facilitates feeding of the work fabric not only in the conventional direction, but also transversely thereof.

2. 发明授权

US3163137A Thread replenishing mechanism for lock stitch sewing machines 失效
标题翻译：锁缝机缝纫补线机构
公开(公告)号：US3163137A
公开(公告)日：1964-12-29
申请号：US28038863
申请日：1963-05-14
申请人： SINGER CO
发明人： EDWARDS WILLIAM J
IPC分类号： D05B57/26 , D05B59/00
CPC分类号： D05B57/265 , D05B59/00 , Y10T74/2072

5. 发明授权

US3688712A Walking presser devices for sewing machines 失效
标题翻译：用于缝纫机的打包机
公开(公告)号：US3688712A
公开(公告)日：1972-09-05
申请号：US3688712D
申请日：1971-04-14
申请人： SINGER CO
发明人： EDWARDS WILLIAM J
IPC分类号： D05B27/04 , D05B29/06
CPC分类号： D05B27/04 , D05B29/06
摘要： A presser device for a sewing machine which harnesses the needle reciprocatory movement alternately to shift into and out of work engaging position a work feeding foot which can move in the direction of feed of the work. The work feeding foot is biased into a position intermediate the total range of possible movement in the direction of feed, so that the work feeding foot can move with the sewing machine work feeding instrumentalities in either the forward or reverse directions of stitching and will be returned to the intermediate position between successive stitches.
摘要翻译：一种用于缝纫机的按压装置，其交替地使针往复运动地移动和移出工件接合位置，工件供给脚可以沿着工件的进给方向移动。工作进给脚被偏压到进给方向上可能运动的全部范围之间的位置，使得工作进给脚可以随着缝纫机在缝合的正向或反向方向上进给工具移动并且将被返回到连续针迹之间的中间位置。

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