Device for changing a lower thread running path for a zigzag sew

Details Device for changing a lower thread running path for a zigzag sew Device for changing a lower thread running path for a zigzag sew

1986-09-26

1988-02-16

Falik, Andrew M.

Sewing

Stitch forming

Zigzag

112302, D05B 5708

Patent

active

047247843

ABSTRACT:
A device for changing a lower thread running path in a zigzag sewing machine includes a guiding member positioned between a lower thread holder and a needle plate and having an obliquely positioned guiding face the obliquity of which to the direction of the needle amplitude is controlled to selectively produce straight stitches or zigzag stitches.

REFERENCES:
patent: 2327817 (1943-08-01), Parry
patent: 3894499 (1975-07-01), Hamlett
patent: 4250824 (1981-02-01), Meier et al.
patent: 4340003 (1982-07-01), Hanyu et al.

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