Sewing machine

Details Sewing machine Sewing machine

1996-09-23

1998-01-13

Lewis, Paul C.

Sewing

Elements

Frames

112155, 112119, 112 98, D05B 7500, D05B 2500

Patent

active

057067473

ABSTRACT:
A sewing machine includes a sewing head having a sewing needle to be vertically reciprocally driven, and a shuttle base having a shuttle to be rotatably driven in synchronism with the vertical movement of the sewing needle for forming stitches. A machine frame includes a pair of support posts spaced laterally from each other, an upper frame having greater rigidness for mounting the sewing head thereon, and a lower frame having greater rigidness and disposed below the upper frame for mounting the shuttle base thereon. Each of the upper frame and the lower frame extends between the pair of support posts and is fixed thereto.

REFERENCES:
patent: 3012532 (1961-12-01), Leslie
patent: 3783811 (1974-01-01), Schmedding et al.
patent: 5103747 (1992-04-01), Resta et al.
patent: 5287820 (1994-02-01), Stutznacker
patent: 5617802 (1997-04-01), Cash

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