Sewing – Stitch forming – Revolving-hook type
Patent
1986-10-14
1987-06-23
Reynolds, Wm. Carter
Sewing
Stitch forming
Revolving-hook type
112230, 112467, D05B 5708
Patent
active
046744231
ABSTRACT:
A thread loop taker device for a zigzag sewing machine having a needle whose position is controlled by electronically stored data which cooperates with the thread loop taker device to thereby produce zigzag stitches. The thread loop taker device comprises a bobbin carrier, a rotational cylindrical member for supporting the bobbin carrier therein; a loop taker coaxial with and about the cylindrical member for rotation therewith, the loop taker having a beak extending from one end and in the direction of the rotation around a portion of the cylindrical member for catching a thread loop formed by the needle; cams rotating with the cylindrical member and engaging the opposite end of the loop taker for rotating the beak relative to the cylindrical member; and a pulse motor drivable in response to a change in the position of the needle so that, when this driving is transmitted to move the cams, the loop taker is actuated. Thus, the beak rotates relative to the cylindrical member in response to a change in the position of the needle during rotation of the cylindrical member.
REFERENCES:
patent: 1159523 (1915-11-01), Miller
patent: 2989017 (1961-06-01), Taketomi
patent: 4299180 (1981-11-01), Kjme et al.
patent: 4357887 (1982-11-01), Hara et al.
Goto Kenzo
Koike Mikio
Janome Sewing Machine Co. Ltd.
Reynolds Wm. Carter
Striker Michael J.
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