Needle hole guide mechanism for zigzag sewing machine

Details Needle hole guide mechanism for zigzag sewing machine Needle hole guide mechanism for zigzag sewing machine

1989-01-23

1990-05-22

Falik, Andrew M.

Sewing

Stitch forming

Zigzag

112184, 112228, 112243, 112260, 112467, D05B 302, D05B 7312

Patent

active

049267701

ABSTRACT:
A zigzag sewing machine includes a needle hole member having a round needle hole of a diameter slightly larger than that of a stitching needle. The needle hole member engages a laterally elongated hole in a needle plate and is swingable along the latter. A base member is mounted coaxially with a loop taker and is rotatable relative to the loop taker. The needle hole member is pivoted to the base member for relative vertically swinging movement. A lever swingably mounted on the machine housing engages with the needle hole member, and a cam rotated in synchronism with the vertical reciprocation of the needle is in engagement with the swinging lever. A stepping motor is operatively connected to the needle to reciprocate the needle laterally in the elongated needle plate hole, and the motor is also operatively connected to the base member to reciprocate the base member.

REFERENCES:
patent: 4289084 (1981-09-01), Takenoya et al.
patent: 4303028 (1981-12-01), Takenoya et al.
patent: 4393794 (1983-07-01), Eguchi et al.
patent: 4662292 (1987-05-01), Koike et al.
patent: 4693193 (1987-09-01), Hanyu et al.

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