JPS5998873U

JPS5998873U - Safety device of overlock sewing machine

Info

Publication number: JPS5998873U
Application number: JP20222582U
Authority: JP
Inventors: 平山　徹郎; 美智子坂本
Original assignee: 株式会社ジユ−キ
Priority date: 1982-12-24
Filing date: 1982-12-24
Publication date: 1984-07-04
Also published as: JPS63223Y2

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]

図面は、この考案の一実施例を示すものであり、第１図
は平面図ζ第２図は右側面図、第３図は、第２図の■−
■線断面図、第４図は、第３図の■−■線断面図、第５
図は、第２図のＶ−Ｖ線断面図、第６図は、分解斜視図
、第７図は、かがり幅が小さいときの要部平面図、第８
図ば、第７図の■ｘ−ＨＸ線断面図、第９図は、かがり
幅が大きいときの要部平面図、第１０図は、第９図のＸ
−Ｘ線断面図である。なお、図中Ａは布送り方向、１は針板、２は糸支持片、
３は糸滑片、３ａは張出部、６は進退杆、２８はミシン
機体、５３は固定板、５６ａ。５６ｂは係合部、５７は突部、５９は不動部材、　　　
　−６０は移動部材である。The drawings show an embodiment of this invention, in which Fig. 1 is a plan view ζ Fig. 2 is a right side view, and Fig. 3 is a side view of Fig. 2 -
■ Line sectional view, Figure 4 is the ■ - ■ line sectional view of Figure 3, Figure 5
The figures are a sectional view taken along the line V-V in Fig. 2, Fig. 6 is an exploded perspective view, Fig. 7 is a plan view of the main part when the stitching width is small, and Fig. 8
For example, Fig. 7 is a sectional view taken along the
- It is an X-ray sectional view. In addition, in the figure, A is the cloth feeding direction, 1 is the needle plate, 2 is the thread support piece,
3 is a thread sliding piece, 3a is an overhanging portion, 6 is an advancing/retracting rod, 28 is a sewing machine body, 53 is a fixing plate, and 56a. 56b is an engaging portion, 57 is a protrusion, 59 is a stationary member,
-60 is a moving member.

Claims

[Scope of utility model registration request]

(1) A thread support piece fixed to the throat plate and formed on the needle drop side thereof and oriented in the cloth feeding direction; It has a yarn sliding piece separate from the plate, and by moving the yarn sliding piece in the horizontal direction with respect to the yarn supporting piece, the stitching width can be adjusted. In an overlock sewing machine configured to be movable back and forth between a use position where the stitching width is formed and a non-use position located below the thread support piece and where the stitch width is formed only with the thread support piece, the thread slip piece is , is fixed to an advancing and retracting rod that moves forward and backward in the vertical direction integrally with this, and the advancing and retracting rod is supported so as to be able to advance and retreat on a movable member that is moved in the left and right directions with respect to a stationary member consisting of the sewing machine body or a member fixed thereto. A protrusion that protrudes in the moving direction of the movable member is formed on one of the reciprocating rod and the immovable member, and an engaging portion that is removably engaged with the protrusion is formed on the other. An overlock sewing machine characterized in that the advancing and retracting rod to which the thread sliding piece is fixed can be moved forward and backward only when the engagement between the protruding portion and the engaging portion is disengaged by movement of the movable member. Safety device.

(2) At the top of either the thread support piece or the thread slide piece, a protrusion for supporting cloth is provided which extends toward the upper side of the other and forms a part of the thread support piece or the thread slide piece. A safety device for an overlock sewing machine as set forth in claim 1 of the utility model registration claim.