Bobbin thread replenishing mechanism for sewing machines
United States Patent 3407760
US Patent References:
Lock stitch zigzag sewing machine
- - 3106176
Bobbin thread replenishing means in sewing machine loop taker
- - 3115855
Thread winding control mechanism for sewing machines
- - 3154035
Lock stitch zigzag sewing machine
- - 3106176
Bobbin thread replenishing means in sewing machine loop taker
- - 3115855
Thread winding control mechanism for sewing machines
- - 3154035
Inventors:
Ketterer, Stanley J.
Publication Date:
10/29/1968
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Export Citation:
Assignee:
SINGER CO
Primary Class:
Other Classes:
112/186, 112/298
International Classes:
D05B57/26; D05B59/00; D05B57/00