发明名称 Fabric grab for facilitating sewing - has rollers on grab arms picking up top fabric layer in stack
摘要 <p>The grab consists of rollers which are held be freewheeling mechanisms on grab arms pressed together by springs. The rollers roll on the fabric and the grab arms are spread apart when placed on the fabric. The rollers have zones of different toughness so that they pick up and pinch cloth between rollers when the grab is lifted. Two stops are incorporated to limit the extent to which the grab arms can be separated.</p>
申请公布号 DE2749908(A1) 申请公布日期 1979.05.10
申请号 DE19772749908 申请日期 1977.11.08
申请人 UNION SPECIAL GMBH 发明人 ROHR,GUENTER
分类号 B65H3/26;(IPC1-7):65H3/26 主分类号 B65H3/26
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