发明名称 Covering device for a free arm sewing machine
摘要 Sewing machine which can be swivelled into a piece of furniture and which can assume two working positions and a lowered position. As oscillating lever defines the lowest position of the innermost plate and has a belt at its free end, the free end of the belt rotatably attached to the plate.
申请公布号 DE1809290(A1) 申请公布日期 1970.06.18
申请号 DE19681809290 申请日期 1968.11.16
申请人 ROBERT WINKELSTRAETER & COMPANY 发明人 OTTO WINKELSTRAETER,CARL
分类号 D05B77/00 主分类号 D05B77/00
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