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Sewing machine

a sewing machine and sewing technology, applied in the field of sewing machines, can solve the problems of the relationship between the type of embroidery pattern and the projection conditions of the sewing machine, and the conventional embroidery sewing machine has not considered the relationship

Inactive Publication Date: 2015-09-17
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a sewing machine that can project an image onto a workpiece cloth held on an embroidery frame. The machine has a plurality of types of embroidery frames with different holding parts, and a carriage that can attach any of these frames. The machine has a detector to identify the type of frame attached, a storage unit to set frame information for each type of frame, and a control unit to set the projection region for the image based on the frame information. The technical effect of this invention is that it allows for proper projection of an image onto the workpiece cloth based on the size and shape of the embroidery frame, without the need for manual adjustment of the projection conditions.

Problems solved by technology

However, the relationship between the type of embroidery pattern and the projection conditions has not been considered in the conventional embroidery sewing machines.

Method used

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Examples

Experimental program
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Embodiment Construction

[0025]An embodiment will be described with reference to the drawings. Referring to FIGS. 1 to 3, a sewing machine 10 of the embodiment is a multi-needle sewing machine having six needle bars 21 and includes two legs 11, a pillar 12, an arm 13, a cylinder bed 14, a carriage 15 and a needle bar case 20. In the following description, the side where a user is located relative to the sewing machine 10 will be referred to as “front” of the sewing machine 10. The side located opposite the front will be referred to as “rear.” The direction in which the legs 11 are opposed to each other is a right-left direction of the sewing machine 10. The direction perpendicular to the right-left direction is a front-back direction of the sewing machine 10. The direction perpendicular to the right-left direction and the front-back direction is an up-down direction. The right-left direction correspond to an X direction and the front-back direction corresponds to a Y direction.

[0026]The right and left legs ...

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PUM

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Abstract

A sewing machine includes a plurality of types of embroidery frames having respective holding parts holding workpiece cloth, the holding parts having forms differing from one type of embroidery frame to another, a carriage to which one of the embroidery frames is selectively attached, the carriage being configured to transfer the embroidery frame, a projector configured to project an image onto the workpiece cloth, a detector configured to detect a type of the embroidery frame attached to the carriage, a storage unit configured to store frame information set for every type of embroidery frame, a setting unit configured to read the frame information according to result of detection by the detector and to set a projection region for an image to be projected, based on the frame information, and a control unit configured to control the projector so that the projector projects the image onto the set projection region.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2014-053442 filed on Mar. 17, 2014, the entire contents of which are incorporated herein by reference.BACKGROUND[0002]1. Technical Field[0003]The present disclosure relates to a sewing machine provided with a projector which projects an image onto a workpiece cloth held on an embroidery frame.[0004]2. Related Art[0005]Embroidery sewing machines have conventionally been known which are provided with projectors. In these embroidery sewing machines, the projectors can project an image of embroidery pattern simulating a completed pattern onto a workpiece cloth held on an embroidery frame.SUMMARY[0006]There is a plurality of types of embroidery frames differing in the size and the shape. Accordingly, projection conditions such as a size of projection region and projection position need to be adjusted according to a type of embroider...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): D05C5/04D05C9/04D05B19/04
CPCD05C5/04D05C9/04D05B19/04D05B1/12D05B81/00
Inventor IHIRA, YUKIABE, DAISUKENAKAMURA, YOSHINORIOKA, HIDENORIICHIYANAGI, SATORUNISHIMURA, YOSHIOOTA, MANAMI
Owner BROTHER KOGYO KK
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