Sewing machine and a method of manufacturing a sewing machine

Details Sewing machine and a method of manufacturing a sewing machine Sewing machine and a method of manufacturing a sewing machine

1991-07-12

1992-08-25

Schroeder, Werner H.

Sewing

Elements

Frames

D05B 7500

Patent

active

051409186

ABSTRACT:
A sewing machine having a composite frame includes plastic structure forming a support base of the machine and carrying a strong U-shaped framework detachably mounted by clamps. The branches of the U-shaped framework form respectively a part of a first and a second arm, the arms being horizontal and superpositioned and projecting out from the side of a column. The drive mechanism for the needle bar of the machine and the mechanism for feed of the sewing material and for the loop pick-up device are respectively associated with these arms.

REFERENCES:
patent: D129622 (1941-09-01), Wonnacott
patent: 3420200 (1969-01-01), Johnson
patent: 4429650 (1984-02-01), Ishikawa et al.
patent: 4552081 (1985-11-01), Vartoukian et al.
patent: 4628845 (1986-12-01), Matsuda
patent: 4651661 (1987-03-01), Matsuda

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