发明名称 FEED DOG DRIVE FOR SEWING MACHINES
摘要 A feed dog drive having an adjustable feed direction for a sewing machine having, a needle plate, a presser foot, and a feed dog element. The drive has a device for carrying out a feeding and lifting motion of the feed dog element, a holder, and a device for rotatably mounting the feed dog element on the holder such that it can be turned is synchronism with stitch formation of the sewing machine.
申请公布号 US5101748(A) 申请公布日期 1992.04.07
申请号 US19890332645 申请日期 1989.04.03
申请人 UNION SPECIAL G.M.B.H. 发明人 ROHR, GUNTER
分类号 D05B27/02;D05B27/22;D05B73/12 主分类号 D05B27/02
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