发明名称 Finger guard for sewing machines
摘要 A finger guard for a sewing machine is disclosed which fastens to the presser bar and protectively encloses a portion of the needle. The finger guard permits an operator to easily remove an arcuately rotatable snap on presser foot without the necessity of disturbing the finger guard.
申请公布号 US4178865(A) 申请公布日期 1979.12.18
申请号 US19780921032 申请日期 1978.06.30
申请人 SINGER CO THE 发明人 JOHNSON, RALPH E;ODERMANN, CHARLES R
分类号 D05B83/00;(IPC1-7):D05B29/12 主分类号 D05B83/00
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