Sewing machine with a pattern generating device

Details Sewing machine with a pattern generating device Sewing machine with a pattern generating device

1977-02-17

1978-09-12

Nerbun, Peter

Sewing

Work manipulating

Guides

D05B 302

Patent

active

041128583

ABSTRACT:
Patterned stitching is produced by shifting the needle or work feed of the machine to different position coordinates. A motion-generating cam generates motion in a first path of motion. A transmission lever receives this motion and transmits it to the stitch forming instrumentalities. Positioning members move in synchronism with main shaft rotation in a second path of motion which is parallel to the first, and in doing so passes through different position-coordinate settings. Locking levers are activatable and releasable by solenoids for locking the positioning members in selected position-coordinate settings. A pattern-selecting unit operates in synchronism with main shaft rotation and selects the position-coordinate settings in which the positioning members are to be locked, and causes the locking levers to lock them in such settings.

REFERENCES:
patent: 2924107 (1960-02-01), Fresard et al.
patent: 3874312 (1975-04-01), Cook et al.
patent: 4011432 (1977-03-01), Skogward

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