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US 7,591,227 B2Granted
Systems and methods for thread handling and/or cutting
OwnerAlberto Landoniinventor
Life of this patent
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Abstract
One embodiment of the present invention relates to a system for thread handling (e.g., separating) and/or cutting. Another embodiment of the present invention relates to a method for thread handling (e.g., separating) and/or cutting. In one example, the present invention may be used in connection with sewing machines, embroidery machines, quilting machines and the like.
Claims3
A method of cutting thread, comprising:
- rotating through an angle of greater than 360 degrees a rotary hook assembly to make a lock stitch formed by a top thread and a bottom thread, wherein at least one component is attached to or integral with the rotary hook assembly and wherein the component rotates with the rotary hook assembly;
- separating a first portion of the top thread from a second portion of the top thread using the component;
- and
- rotating the rotary hook assembly in a reverse direction so as to cut the top thread and the bottom thread with a cutting blade contacted to at least a part of a surface of the component;
- wherein the component comprises a thread guard.
2 more elements
Dependencies are inferred from the claim text.