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Sewing machine

A sewing machine and timing technology, which is applied in the direction of sewing machine components, sewing equipment, cloth feeding mechanism, etc., can solve the problem that the position where the cloth feeding teeth protrude and sink from the opening cannot be easily changed, etc.

Active Publication Date: 2015-12-09
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above sewing machine, the position where the feed dog protrudes and sinks from the opening cannot be easily changed

Method used

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Examples

Experimental program
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Embodiment Construction

[0025] Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. The following description uses up and down, left and right, and front and rear as indicated by arrows in the figure. refer to Figure 1 to Figure 6 The structure of the sewing machine 1 will be described. The sewing machine 1 includes a base portion 2 , a pillar portion 3 and an arm portion 4 . The machine base portion 2 is a base of the sewing machine 1 . The sewing machine 1 is attached to the table 20 by fitting the base portion 2 into an opening on the upper surface of the table 20 from above. The pillar portion 3 extends vertically upward from the right end of the base portion 2 . The arm part 4 extends leftward from the upper end of the pillar part 3 . The arm portion 4 faces the upper surface of the base portion 2 . The machine arm 4 is provided with a presser foot 17 below the left end. The presser foot 17 has a pressing portion 25 at the lower end. ...

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PUM

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Abstract

The present invention provides a sewing machine which is easy to change the extruding and mergence positions of an opening part of a clothing feeding tooth needle plate. A CPU displays the front side, the central side and the rear side as the option of the front and back positions of clothing feeding tooth extruding and mergence on a display part. A user observes the display part and operates an operation part simultaneously, and selects the front and back positions of the clothing feeding tooth. The CPU receives the front and back positions of the clothing feeding tooth inputted by the operation part, and acquires the clothing feeding data corresponding to the front and back positions of the clothing feeding tooth. The CPU drives a main motor and a clothing feeding motor simultaneously according to the acquired clothing feeding data. The clothing feeding tooth swings from the selected front position and back position back and forth, and the CPU executes the sewing action.

Description

technical field [0001] The present invention relates to a sewing machine. Background technique [0002] There is known a sewing machine having feed dogs for feeding a cloth arranged on a needle plate. For example, the sewing machine disclosed in Japanese Patent Publication No. 179980 of 2013 includes a needle plate, cloth feed teeth, upper and lower conveying shafts, a main motor, a horizontal conveying shaft and a cloth feeding motor. The needle plate has openings into which the feed teeth can protrude and sink. One end of the upper and lower conveying shafts is connected to the feed teeth, and the other end is connected to the main motor. One end of the horizontal conveying shaft is connected to the cloth feed dog, and the other end is connected to the cloth feed motor through a link mechanism. The main motor rotates the vertical conveying shaft to reciprocate the feed teeth in the vertical direction. The cloth feeding motor rotates the horizontal conveying shaft posit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B27/02
Inventor 加藤雅史
Owner BROTHER KOGYO KK