发明名称 Feed direction change assembly for sewing machine
摘要 The purpose of this invention is to change the direction of the feed so that the user/operator can now use the free arm of the sewing machine to the optimum advantage. Heretofore, the conventional domestic free arm sewing machine has been limited to sewing in a lateral direction across the free arm, the use of this invention allows the machine to be used so that tubular shaped garments can travel along and around the free arm of the sewing machine thus sewing can be accomplished with any out side seams, something heretofore impossible with a conventional free arm domestic sewing machine
申请公布号 US2008308028(A1) 申请公布日期 2008.12.18
申请号 US20070812278 申请日期 2007.06.18
申请人 WOOLLEY THOMAS H 发明人 WOOLLEY THOMAS H.
分类号 D05B27/22;D05B1/00 主分类号 D05B27/22
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