发明名称 Adjustable cushioning spring for a sewing machine
摘要 Skip stitch mechanism for a sewing machine is provided with a coiled needle bar cushioning spring which mounts in axial alignment with the needle bar on the upper arm of a movable gate and which can be adjustably positioned on the gate arm to define a position from which the needle bar may be latched to reciprocating drive means.
申请公布号 US4426943(A) 申请公布日期 1984.01.24
申请号 US19820375923 申请日期 1982.05.07
申请人 THE SINGER COMPANY 发明人 CANTADA, EDILBERTO
分类号 D05B81/00;(IPC1-7):D05B3/02 主分类号 D05B81/00
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