发明名称 Needle plate with movable tongues for sewing machine
摘要 A needle plate for a sewing machine includes an opening formed in one side portion. On or more tongues may be secured to the needle plate and extended inward of the opening so as to conduct various kinds of sewing operations. A bracket is secured to the needle plate and includes a channel. A lever is slidably engaged in the channel and includes another tongue movable away from the previous tongue and movable toward the position located beside the previous tongue so as to form another tongue.
申请公布号 US5503094(A) 申请公布日期 1996.04.02
申请号 US19950394969 申请日期 1995.02.27
申请人 TSENG, HSIEN-CHANG 发明人 TSENG, HSIEN-CHANG
分类号 D05B73/12;(IPC1-7):D05B73/12 主分类号 D05B73/12
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