MECHANISM FOR AUTOMATICALLY ADJUSTING THE HEIGHT OF A TOP FEED FOOT
United States Patent 3437062
US Patent References:
Sewing machine
- - 2415383


Inventors:
Hacklander, Hans W.
Publication Date:
04/08/1969
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Assignee:
SINGER CO
Primary Class:
112/320
International Classes:
D05B27/04; D05B29/06; D05B57/00; D05B27/00; D05B29/00; D05B27/04; D05B27/24




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