Thread pull-off mechanism for sewing machines
United States Patent 2438833
US Patent References:
/0927993.html
- - 0927993

/1105968.html
- - 1105968

/1188818.html
- - 1188818

Buttonhole-sewing machine
- - 1729995

Sewing machine
- - 1917771


Inventors:
Wood, Alfred R.
Publication Date:
03/30/1948
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Assignee:
SINGER MFG CO
Primary Class:
112/242
International Classes:
D05B3/08; D05B57/00; D05B73/12; D05B3/00; D05B73/00
US Patent References:
1983263Pull-off mechanism for sewing machines