Dry sewing machine including loop spreader

Details Dry sewing machine including loop spreader Dry sewing machine including loop spreader

1994-08-12

1995-07-11

Crowder, Clifford D.

Sewing

Stitch forming

Chain or double chain

112256, 112302, 112221, D05B 6100, D05B 7100

Patent

active

054311187

ABSTRACT:
A dry sewing machine, or a sewing machine which can be operated without oiling. The machine of the preferred embodiment is particularly adapted for making a type 401 two thread chain stitch, used in commercial sewing operations. In addition to employing sealed bearings, novel spreader and rocker frame assemblies are employed.

REFERENCES:
patent: 2692569 (1954-10-01), Ketterer
patent: 3140129 (1964-07-01), Koss
patent: 3753410 (1973-08-01), Kostenowczyk
patent: 4108096 (1978-08-01), Ciecior
patent: 4333410 (1982-06-01), Taketomi
patent: 4357887 (1982-11-01), Hara et al.
patent: 4665845 (1987-05-01), Card et al.
patent: 4974534 (1990-12-01), Eberhahn et al.
patent: 4984526 (1991-01-01), Ide et al.

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