Thread cutting devices for double lockstitch sewing machines

Details Thread cutting devices for double lockstitch sewing machines Thread cutting devices for double lockstitch sewing machines

1984-01-16

1986-05-06

Reynolds, Wm. Carter

Sewing

Elements

Thread cutting, severing or breaking

112294, 112297, 112300, D05B 6500

Patent

active

045864497

ABSTRACT:
A thread cutting device for a double lockstitch sewing machine is provided with a rotatably driven hook including a hook beak for seizing a needle thread loop. In order to assure a safe pickup, the thread catcher performs an operating movement in a tilt direction oppositely directed with respect to the direction of rotation of the hook. Furthermore, the thread catcher is operable if the hook point has passed the stitch hole for a range of about 90.degree. considered in the direction of rotation of the hook.

REFERENCES:
patent: 3503355 (1970-03-01), Hagemeyer et al.
patent: 3624735 (1971-11-01), Hedegaard
patent: 3894499 (1975-07-01), Hamlett
patent: 4141307 (1979-02-01), Okada

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