Blind stitch sewing machine

Details Blind stitch sewing machine Blind stitch sewing machine

1978-07-20

1980-01-22

Schroeder, Werner H.

Sewing

Stitch forming

Blind stitch

D05B 124, D05B 905

Patent

active

041844424

ABSTRACT:
An improved blind stitch sewing machine wherein the upper end position of a reciprocating plunger element below the curved oscillating needle is not changed by slight irregularities in the feed and is automatically adjusted to an increase in thickness of the sewing material, such as seams, providing an adjustment which is maintained over the width of the thickness increase.

REFERENCES:
patent: 1413581 (1922-04-01), Hayes
patent: 1434399 (1922-11-01), Moulton
patent: 1531850 (1925-03-01), Dearborn
patent: 1588135 (1926-06-01), Mueller
patent: 1622414 (1927-03-01), Brody
patent: 4043284 (1977-08-01), Rau et al.

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