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US 2023/0053535 A1Published application
Method and apparatus for auto thread color change
AssigneeInteva Products, LLC
InventorsNicholas Hallstedt, Ramez Habhab, Edward J. Wenzel
Life of this patent
Estimating the term…
Abstract
A needle bar holder for a sewing machine head, including: a revolver configured to hold a plurality of separate needle bars; a motor operably coupled to the revolver for rotating the revolver; and a means for ensuring alignment and stability of the revolver when one of the plurality of separate needle bars are selected for a sewing process.
Claims20
A needle bar holder for a sewing machine head, comprising:
- a revolver configured to hold a plurality of separate needle bars;
- a motor operably coupled to the revolver for rotating the revolver;
- and
- a means for ensuring alignment and stability of the revolver when one of the plurality of separate needle bars are selected for a sewing process.
1 more element
A sewing head for a robot, comprising:
- a needle bar holder, comprising:
- a revolver configured to hold a plurality of separate needle bars;
- a motor operably coupled to the revolver for rotating the revolver;
- and a means for ensuring alignment and stability of the revolver when one of the plurality of separate needle bars are selected for a sewing process;
- and
- a plurality of individual spools each providing an upper thread for one of the plurality of separate needle bars, wherein the upper thread is fed from one of the plurality of individual spools through a series of guides and tensioners prior to entering a top end of the needle bar holder.
3 more elements
A method of changing a color of thread in a sewing head without manually changing a thread spool, comprising:
- providing a single sewing head with a plurality of needle bars, each needle bar of the plurality of needle bars being mounted to a revolver and each needle bar of the plurality of needle bars containing a different color thread or threads provided by a separate individual spool or spools;
- and
- moving the revolver until a desired one of the plurality of needle bars is orientated for a sewing operation via the sewing head.
Dependencies are inferred from the claim text.