Edge sewing apparatus

Sewing – Stitch forming – Feeding work material

Reexamination Certificate

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Details

C112S153000, C112S470330

Reexamination Certificate

active

07401563

ABSTRACT:
An edge sewing apparatus for carrying out edge sewing in a curved shape along one side edge of a cloth piece in a strip-like shape while rotating the cloth piece, which includes: a press rotating member rotated in accordance with feeding of the cloth piece while pressing the cloth piece; a rotational angle measuring device that measures a rotational angle of the press rotating member; and a press releasing device that releases the press rotating member from being pressed when the rotational angle measured by the rotational angle measuring device reaches a predetermined angle.

REFERENCES:
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patent: 3650229 (1972-03-01), Rovin
patent: 4019447 (1977-04-01), Blessing et al.
patent: 4593636 (1986-06-01), Schips
patent: 4730824 (1988-03-01), Huau et al.
patent: 5069148 (1991-12-01), Ishikawa et al.
patent: 5161474 (1992-11-01), Ishikawa et al.
patent: 5170733 (1992-12-01), Honma et al.
patent: 5497720 (1996-03-01), Kawasaki
patent: 5647292 (1997-07-01), Morgulis et al.
patent: 6237518 (2001-05-01), Yunoki et al.
patent: 31 39 426 (1983-04-01), None
patent: 7-28970 (1995-04-01), None

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