Sewing – Stitch forming – Chain or double chain
Patent
1976-10-29
1978-01-10
Krizmanich, George H.
Sewing
Stitch forming
Chain or double chain
D05B 2702
Patent
active
040672743
ABSTRACT:
An improved feed adjusting apparatus for sewing machines having a control device which reduces to a minimum the displacement between the actual path and the optimum path of travel of a slider during its intended function of transforming the oscillating movement of the feed advance shaft to reciprocating movement of the bar that supports the machine's feed dogs.
REFERENCES:
patent: 2009747 (1935-07-01), Sauer
patent: 2782742 (1957-02-01), Hess
patent: 2974617 (1961-03-01), Hacklander
patent: 3450079 (1969-06-01), Lukin
patent: 3611817 (1971-10-01), Smith et al.
Krizmanich George H.
Rockwell-Rimoldi S.p.A.
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