Thread cutter with through hole and cutout for sewing machine

Details Thread cutter with through hole and cutout for sewing machine Thread cutter with through hole and cutout for sewing machine

1992-09-10

1994-04-19

Crowder, Clifford D.

Sewing

Elements

Thread cutting, severing or breaking

D05B 6500

Patent

active

053036646

ABSTRACT:
A thread cutting device for a sewing machine includes a stationary blade which is disposed downwardly of a needle plate and a movable blade. The stationary blade is provided at its one end with a cutting edge. The movable blade which is formed with a cutout in the surface opposite to the stationary blade, is adapted to rotate about a shaft and pass over the needle plate and the stationary blade. The cutout is adapted to catch and guide a thread along a path for the thread and provided with a cutting edge to cooperate with the cutting edge of the stationary blade to cut the thread. A through hole is formed between the cutout and the cutting edge of the movable blade to meander the thread through the hole.

REFERENCES:
patent: 2345943 (1944-04-01), McCann
patent: 2826160 (1958-03-01), Adams
patent: 4592297 (1986-06-01), Asano et al.
patent: 5065683 (1991-11-01), Hayashi
Durkopp-Fadenabschneider, Kohne, Alles Uber Fadenabschneider, Sep. 1977, pp. 38-43.

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