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Sewing machine

A sewing machine and sewing needle technology, which is applied in the direction of sewing machine components, sewing equipment, sewing machine ring mechanism, etc., can solve the problems of laborious monitoring and analysis

Active Publication Date: 2009-04-08
DURKOPP ADLER GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The monitoring of the bottom line supply by means of optical receivers and subsequent analysis proposed in this document is very laborious

Method used

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  • Sewing machine
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Examples

Experimental program
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Effect test

Embodiment Construction

[0023] The sewing machine 1 has a base plate 2 with a column 3 and a curved arm 4 extending upwards from the base plate. The curved arm 4 terminates in a head 5 . Arranged rotatably in the bending arm 4 is an arm shaft 6 which drives a crank drive 7 with a thread take-up lever 8 in the head 5 . The crank drive 7 is drivably connected to a needle bar 9 which is movably mounted in the head 5 . The needle bar has a sewing needle 10 at the bottom end. The sewing needle 10 can be moved up and down by the crank driving device 7 . The sewing needle 10 guides a needle thread 13 in the needle eye, which is passed from the bobbin 12 via the thread tensioner and the thread take-up lever 8 . Mounted in the base plate 2 is a support plate 14 on which a piece of sewing material 15 is placed. The support plate 14 has a dog mouth for the passage of a dog bite 16 . The dog teether 16 has a stitch hole 17 for the passage of the sewing needle 10 . The dog teether 16 is driven by a feeding ...

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PUM

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Abstract

The present invention relates to a sewing machine, which has a housing, a driving needle bar with a needle, a supporting plate for a work piece, a supply housing providing a bottom thread supply, and a light source for illuminate the inner space of the supply housing through a light channel of the supply housing. A viewing window is provided for the visual inspection of the illuminated bottom thread supply over the viewing window. Two light passage opening are provided in the supply housings.

Description

technical field [0001] The invention relates to a sewing machine having: [0002] -shell, [0003] - a needle bar which can be driven up and down and which carries a sewing needle, [0004] - support plate for sewing material, [0005] - supply box for supplying bobbin thread, [0006] - A light source for illuminating the inner space of the supply box through the light access opening in the supply box. Background technique [0007] A sewing machine of this type is known from EP 1 394 310 B1. The monitoring and subsequent analysis of the bottom line supply by means of light receivers proposed in this document is very laborious. Contents of the invention [0008] It is an object of the invention to improve a sewing machine of the above-mentioned type in order to simplify the monitoring of the supply of bobbins. [0009] According to the invention, this object is achieved by a sewing machine comprising a viewing window for viewing via the viewing window on the one hand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B59/00D05B57/00D05B79/00
CPCD05B79/00D05B57/26D05B81/00D05B83/00
Inventor C·黑克纳
Owner DURKOPP ADLER GMBH
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