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Sewing machine and thread box mounted on it

A sewing machine and thread box technology, applied in the field of sewing machines, can solve problems such as damaged parts and disordered threads

Inactive Publication Date: 2008-11-26
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] That is, in such a sewing machine, if the movement of the operating force transmission member is too fast, the operation of the thread feeding device will exceed the normal operation speed, and there will be problems such as damage to parts or thread scrambling.

Method used

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  • Sewing machine and thread box mounted on it
  • Sewing machine and thread box mounted on it
  • Sewing machine and thread box mounted on it

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] Embodiments of the present invention will be described below. This embodiment is an example of applying the present invention to a household sewing machine that automatically passes a thread through the needle hole of a sewing needle in conjunction with the installation of the thread case.

[0055] As shown in Figures 1 and 2, the sewing machine main body M1 of the household sewing machine M includes a base 1 with a horizontal base surface, a column 2 vertically established at the right end of the base 1, and an arm extending leftward from the upper part of the column 2 opposite to the base. 3, and a head 4 arranged at the left end of the arm 3.

[0056] In the head part 4, the wire box attachment part 5 to which the wire box 10 is detachably attached is provided. The upper thread 11 is pulled out from this thread case 10 . On the head portion 4 of the arm portion 3, operation switches (not shown) such as a sewing start switch and a sewing end switch are provided. Mo...

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PUM

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Abstract

A sewing machine includes a sewing machine body formed with a cassette mount, a thread cassette having a supply of thread and detachably attached to the cassette mount, and a moving speed limiting unit limiting a moving speed of the thread cassette when the thread cassette is attached to the cassette mount.

Description

technical field [0001] The present invention relates to a structure for limiting the moving speed when installing a thread box with a thread supply source on a sewing machine body. Background technique [0002] Conventionally, there is a sewing machine in which a thread case containing a thread supply source such as a bobbin is attached to a thread case mounting portion of a sewing machine main body. In this case, the user needs to perform an appropriate movement operation in order to move and install the wire box relative to the wire box mounting portion. [0003] However, if the user installs the thread box at once, so that when the installation is performed beyond the appropriate moving speed, the thread box itself may be damaged due to the impact during installation, or the thread box installation part may be damaged, or the sewing machine provided by the sewing machine may be damaged. Or sew-ready parts. [0004] In addition, in a sewing machine in which the threading...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D05B73/02D05B43/00D05B87/02D05B47/00D05B53/00
CPCD05B87/02D05B43/00D05B47/00
Inventor 榊原薰堀正幸
Owner BROTHER KOGYO KK
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