Machine and method for sewing, embroidering, quilting and/or the like
OwnerAlberto Landoniinventor
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Abstract
One embodiment of the present invention relates to a machine for sewing, embroidering, quilting and/or the like. Another embodiment of the present invention relates to a method for sewing, embroidering, quilting and/or the like. In one example, the present invention may be applied (e.g., as a machine and/or method) to a multi-needle machine or method. In another example, the present invention may provide for automatic lower (or bottom) thread cutting. In another example, the present invention may provide for automatic lower (or bottom) thread cutting by utilizing the phase (that is, movement phase) of a return of a looper (or hook) to cut the lower (or bottom) thread.
Claims10
A machine for making double chain stitches in a material, the double chain stitches being made using at least one upper thread and at least one lower thread, the machine comprising:
- at least one needle bar
- a plurality of needles,
- wherein the needle bar has attached thereto the plurality of needles and
- wherein each needle brings the at least one upper thread from above the material to below the material;
- and
- at least one arm
- wherein the arm having a first end and a second end, the first end of the arm being connected to a drive train and the second end of the arm having attached thereto the needle bar;
- wherein the arm is sufficiently designed such that the second end of the arm moves along a path forming an arc;
- and
- wherein each of the plurality of needles is elongated along a long axis and
- wherein each of the plurality of needles is curved along the long axis.
A method for making double chain stitches in a material, the double chain stitches being made using a plurality of upper threads and a plurality of lower threads, the method comprising:
- providing the material to receive the double chain stitches;
- utilizing a plurality of needles, each needle bringing one of the upper threads from above the material to below the material;
- utilizing a plurality of loopers disposed below the material, wherein each looper is used to manipulate one of the lower threads to form double chain stitches in combination with a respective one of the upper threads;
- and
- utilizing the plurality of loopers to cut each respective lower thread with at least one cutting element associated with each of the loopers.
Dependencies are inferred from the claim text.