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Take-up device for sewing machine

A sewing machine and thread rewinding technology, which is applied to the sewing machine thread take-up device, the sewing machine thread hook, sewing machine components, etc., can solve the problems of reduced operability, increased cost, etc. Effect

Active Publication Date: 2004-06-23
JUKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is necessary to prepare and store many sewing machines, which not only increases the cost but also reduces the operability.

Method used

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  • Take-up device for sewing machine
  • Take-up device for sewing machine
  • Take-up device for sewing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] refer to Figure 1 ~ Figure 4 The first embodiment of the present invention will be described. In addition, only one suture T and one bobbin 5 are illustrated in the drawings, and other sutures and bobbins are omitted.

[0029] figure 1 Shown is a sewing machine 1 for performing decorative sewing or chain stitch decorative sewing as an example of the present invention. This decorative stitch sewing machine 1 is provided with a thread rewinding device 11 for performing a thread pulling operation for pulling the thread T and a thread rewinding operation for loosening the thread T. The frame of the decorative stitch sewing machine 1 is composed of a base plate 2 , a body portion 3 extending upward from the right side of the base plate, and a machine head 4 extending from the body portion 3 parallel to the base plate 2 .

[0030] Further, on the upper portion of the decorative stitch sewing machine 1, a bobbin 5 supported by a bobbin stand (not shown) is arranged. In ad...

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PUM

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Abstract

Provided is a thread feeding device of a sewing machine capable of selecting optimum thread-reeling-out control. In the thread feeding device of the sewing machine capable of selecting a first thread path R1 reaching a needle 9 through a swinging thread take-up lever 14 and a needle-bar take-up lever 16 from a bobbin 5 and a second thread path R2 reaching the needle 9 through the swinging take-up lever 14 from the bobbin 5, there is provided a swinging take-up lever thread receiver 17 arranged at the position separated from a thread-reeling hole 14bc of the swinging take-up lever 14 to the needle side, and a needle thread T selecting the second thread path is disposed can be engaged with the receiver 14.

Description

technical field [0001] The invention relates to a thread rewinding device of a sewing machine, which comprises a needle bar that moves up and down in conjunction with an upper shaft and a needle is installed at its lower end, is fixed on the upper end of the needle bar and has a Needle bar thread take-up lever with multiple thread rewinding holes to control the amount of suture pouring out, set on the side of the sewing machine head and having multiple thread rewinding holes that can pass through sutures on one end side, and reciprocatingly swings around the other end side Therefore, the swing thread take-up lever that controls the amount of suture thread is poured out, and can choose the first suture route from the thread reel to the above-mentioned machine needle through the above-mentioned swing thread take-up lever and the above-mentioned needle bar thread take-up lever and from the bobbin through the above-mentioned swing. The thread take-up lever reaches the second threa...

Claims

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Application Information

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IPC IPC(8): D05B49/02D05B49/00D05B53/00
Inventor 中岛穗纯
Owner JUKI CORP
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