Device for automatically cutting off thread formations in sewing

Details Device for automatically cutting off thread formations in sewing Device for automatically cutting off thread formations in sewing

1996-07-11

1998-07-14

Lewis, Paul C.

Sewing

Elements

Thread cutting, severing or breaking

112291, D05B 6500

Patent

active

057788090

ABSTRACT:
An apparatus for automatically cutting off thread formations in sewing machines having a longitudinal direction and a transverse direction. The apparatus includes: a needle plate having a surface defining a support plane; a transport plate disposed adjacent the needle plate, the transport plate being displaceable in a plane parallel to the support plane in both the longitudinal direction and the transverse direction; a cutting device disposed adjacent the needle plate for cutting off a thread formation from the sewn item, the cutting device including a stationary lower blade connected to the needle plate and an upper blade connected to the transport plate, the upper blade defining a first recess therein; and a hold-down device disposed adjacent the needle plate and defining a second recess therein and being configured for holding down a sewn item on the needle plate.

REFERENCES:
patent: 1537155 (1925-05-01), Allen
patent: 3690276 (1972-09-01), King et al.
patent: 3712256 (1973-01-01), Striegler et al.
patent: 3922983 (1975-12-01), Schips et al.
patent: 3994249 (1976-11-01), Hsiao

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