Sewing machine

Sewing – Elements – Needles

Reexamination Certificate

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Reexamination Certificate

active

07314013

ABSTRACT:
A sewing machine including an automatic threading device that automatically threads at least one of a plurality of threading portions including the thread take-up with a needle thread drawn from a thread source, the sewing machine comprising a first thread guide path for a first threading route that enables threading of the needle thread by the automatic threading device; a second thread guide path for a second threading route that enables manual threading of the needle thread; a movable member that forms a movable thread guide path switchable between a first position enabling threading of the thread take-up and a second position disabling threading of the thread take-up, and a switch mechanism that switches the movable member so as to switch the movable thread guide path between the first and the second positions.

REFERENCES:
patent: 3485194 (1969-12-01), Eguchi
patent: 4185574 (1980-01-01), Totino et al.
patent: 4241678 (1980-12-01), Tullman
patent: 4461409 (1984-07-01), Biemans
patent: 4651660 (1987-03-01), Oshima et al.
patent: 5088426 (1992-02-01), Ogawa
patent: 7121217 (2006-10-01), Mizuno et al.
patent: 7178473 (2007-02-01), Mizuno et al.
patent: 7191719 (2007-03-01), Hayashi et al.
patent: 2002/0073904 (2002-06-01), Sano et al.
patent: 2005/0268830 (2005-12-01), Mizuno et al.
patent: 1 264 923 (2002-12-01), None
patent: A-1-113092 (1989-05-01), None
patent: B2 2-14866 (1990-04-01), None
patent: A 8-173678 (1996-07-01), None
patent: A 2002/346261 (2002-12-01), None

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