JPS6050979U

JPS6050979U - Sewing machine needle bend detector

Info

Publication number: JPS6050979U
Application number: JP14202783U
Authority: JP
Inventors: 仁白井
Original assignee: Aisin Seiki Co Ltd
Current assignee: Aisin Corp
Priority date: 1983-09-12
Filing date: 1983-09-12
Publication date: 1985-04-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、来者集品を装着したミシン全体外観斜視図、
第２図は、本考案検知器の拡大斜視図、第３図は、針が
正常である事を検知した状態を示す縦断面図、第４図は
、針が曲がった状態を検知した状態を示す縦断面図、第
５図は、他の実施例である検知器の拡大斜視図、第６図
は、他の実施例の針が正常である事を検知した状態を示
す縦断面図、第７図は、他の実施例の針が曲がった状態
を検知した状態を示す縦断面図、第８図及び第９図は従
来の針曲りを検知する方法を表す縦断面図、第１０図は
、来者集品の裏面から見た外観斜視図である。２．２′・・・針、３，３′・・・針曲り検知器本体、
３ａ・・・針位置検知突起、３ｂ、　　３’　ｂ・・・
位置決め突起、４・・・針板、４ａ・・・針孔、４ｂ・
・・送り両孔。Figure 1 is a perspective view of the overall appearance of the sewing machine with the visitor's collection installed;
Figure 2 is an enlarged perspective view of the detector of the present invention, Figure 3 is a vertical sectional view showing the state in which the needle is detected to be normal, and Figure 4 is the state in which the needle is detected to be bent. Fig. 5 is an enlarged perspective view of a detector according to another embodiment, and Fig. 6 is a longitudinal sectional view showing a state in which the needle of another embodiment is detected to be normal. FIG. 7 is a longitudinal sectional view showing a state in which a bent needle is detected in another embodiment, FIGS. 8 and 9 are longitudinal sectional views showing a conventional method for detecting a bent needle, and FIG. , is a perspective view of the appearance of the visitor's collection as seen from the back. 2.2'...needle, 3,3'...needle bending detector body,
3a...needle position detection protrusion, 3b, 3' b...
Positioning protrusion, 4... Throat plate, 4a... Needle hole, 4b.
・Both feed holes.

Claims

[Scope of utility model registration request]

A sewing needle is attached to the tip of a needle bar that swings in the vertical direction, and a throat plate with a needle hole and a feed hole for feeding the sewing fabric is attached to the sewing machine body on the descending surface of the sewing needle. In the sewing machine, a needle bending detector body provided with a positioning protrusion is inserted into the needle plate from the top surface, a needle position detecting protrusion is provided on the upper surface of the needle bending detector body at approximately the center, and the needle position detecting protrusion is provided on the upper surface of the needle bending detector body, A needle bending detector for a sewing machine, comprising a horizontal surface parallel to the needle plate surface provided at the tip of a detection protrusion.