Needle bar frame for a sewing machine

Details Needle bar frame for a sewing machine Needle bar frame for a sewing machine

1977-07-26

1978-11-28

Hunter, H. Hampton

Sewing

Work manipulating

Guides

112221, D05B 302

Patent

active

041270762

ABSTRACT:
A sewing machine needle bar frame is pivotally supported at a lower end portion on a leaf spring which can bend to permit zigzagging, and the frame is made to follow a curved path, when zigzagging, through the use of a plastic coupling disposed between the upper portion of the needle bar frame and a fixed member in the machine head.

REFERENCES:
patent: 1159523 (1915-11-01), Miller
patent: 2662495 (1953-12-01), Parry
patent: 2989016 (1961-06-01), Johnson

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