JPH0376574U - - Google Patents
Info
- Publication number
- JPH0376574U JPH0376574U JP13739289U JP13739289U JPH0376574U JP H0376574 U JPH0376574 U JP H0376574U JP 13739289 U JP13739289 U JP 13739289U JP 13739289 U JP13739289 U JP 13739289U JP H0376574 U JPH0376574 U JP H0376574U
- Authority
- JP
- Japan
- Prior art keywords
- thread guide
- looper
- thread
- sewing machine
- looper thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009958 sewing Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は本考案の一実施例に係るオーバロツク
ミシンのルーパ糸案内装置を示す正面図、第２図
は糸案内機構の取付板の構成を示す正面図、第３
図は糸案内機構の糸案内部材の構成を示す正面図
、第４図は第３図の−線断面図、第５図は第
３図の−線矢視図、第６図は糸案内機構の操
作レバーの構成を示す正面図、第７図は第６図の
右側面図、第８図ないし第１１図はルーパへの糸
通し動作を手順に従つて順次示す説明図、第１２
図は本考案の他の実施例を示す説明図である。
１……ルーパ軸、２……揺動杆、３……ルーパ
、３ａ……目孔、３ｂ……糸案内溝、５……取付
板、６……糸案内部材、６ａ……本体、６ｂ……
糸係止案内部、７……操作レバー、８……支点ピ
ン、９……糸案内機構、１０……糸案内、１１…
…ルーパ糸、１３……ロツクスプリング、１８…
…ロツク溝、２１……糸ガイド片、２２……糸係
止用凹部、２３……糸係止片、２６……ロツク解
除用カム、３０……糸押さえ部材。
FIG. 1 is a front view showing a looper thread guide device of an overlock sewing machine according to an embodiment of the present invention, FIG. 2 is a front view showing the configuration of a mounting plate of the thread guide mechanism, and FIG.
The figure is a front view showing the structure of the thread guide member of the thread guide mechanism, FIG. 4 is a cross-sectional view taken along the line - - of FIG. 3, FIG. 5 is a view taken along the - line of FIG. 7 is a right side view of FIG. 6, FIGS. 8 to 11 are explanatory diagrams sequentially showing the operation of threading the looper, and FIG.
The figure is an explanatory diagram showing another embodiment of the present invention. 1... Looper shaft, 2... Rocking rod, 3... Looper, 3a... Eye hole, 3b... Thread guide groove, 5... Mounting plate, 6... Thread guide member, 6a... Main body, 6b ……
Thread lock guide section, 7... Operating lever, 8... Fulcrum pin, 9... Thread guide mechanism, 10... Thread guide, 11...
...Looper thread, 13...Lock spring, 18...
...Lock groove, 21... Thread guide piece, 22... Thread locking recess, 23... Thread locking piece, 26... Lock release cam, 30... Thread holding member.
Claims (1)
；この揺動部材に設けられ、先端に目孔および糸
案内溝を有するルーパと；前記揺動部材に設けら
れ、前記ルーパの目孔に通されるルーパ糸を案内
する糸案内と；を備えたオーバロツクミシンのル
ーパ糸案内装置において、前記揺動部材に、前記
糸案内を介しルーパの目孔に通されるルーパ糸の
位置を超えた第１位置と前記糸案内溝基端の第２
位置との間で移動する糸案内機構を設け、この糸
案内機構を、第２位置から第１位置までの移動さ
せた後に再び第２位置まで戻すことにより、前記
糸案内と目孔との間のルーパ糸が、糸案内機構に
係止されて前記糸案内溝の基端まで案内されるこ
とを特徴とするオーバロツクミシンのルーパ糸案
内装置。 ２ 糸案内機構は、揺動部材に回動可能に取付け
られ、先端の糸係止案内部が第１位置と第２位置
との間で移動する糸案内部材と；この糸案内部材
を第２位置側に常時付勢するスプリングと；前記
糸案内部材を第２位置で仮固定するロツク部材と
；このロツク部材による仮固定を解除して前記ス
プリングの付勢力に抗し糸案内部材を第１位置ま
で回動させる操作レバーと；を備えていることを
特徴とする請求項１記載のオーバロツクミシンの
ルーパ糸案内装置。[Claims for Utility Model Registration] 1. A swinging member that swings in synchronization with the vertical movement of a needle; a looper provided on this swinging member and having an eye hole and a thread guide groove at its tip; said swinging member In the looper thread guide device of an overlock sewing machine, the looper thread guide device is provided with a thread guide for guiding the looper thread threaded through the eye of the looper. a first position beyond the position of the looper thread passed through the looper thread, and a second position at the base end of the thread guide groove.
A thread guide mechanism that moves between the thread guide and the eye hole is provided, and the thread guide mechanism is moved from the second position to the first position and then returned to the second position. A looper thread guide device for an overlock sewing machine, wherein the looper thread is locked by a thread guide mechanism and guided to the base end of the thread guide groove. 2. The thread guide mechanism includes a thread guide member that is rotatably attached to the swinging member, and a thread locking guide portion at the tip moves between a first position and a second position; a spring that always biases the thread guide member toward the second position; a lock member that temporarily fixes the thread guide member at the second position; and a lock member that releases the temporary fixation by the lock member and moves the thread guide member to the first position against the biasing force of the spring. 2. The looper thread guide device for an overlock sewing machine according to claim 1, further comprising: an operating lever for rotating the looper thread guide device to a certain position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989137392U JPH0740387Y2 (en) | 1989-11-28 | 1989-11-28 | Looper thread guide device for overlock sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989137392U JPH0740387Y2 (en) | 1989-11-28 | 1989-11-28 | Looper thread guide device for overlock sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0376574U true JPH0376574U (en) | 1991-07-31 |
| JPH0740387Y2 JPH0740387Y2 (en) | 1995-09-20 |
Family
ID=31684550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989137392U Expired - Lifetime JPH0740387Y2 (en) | 1989-11-28 | 1989-11-28 | Looper thread guide device for overlock sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740387Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3748791B2 (en) * | 2001-06-14 | 2006-02-22 | ペガサスミシン製造株式会社 | Lower thread control mechanism of sewing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127689A (en) * | 1981-12-24 | 1983-07-29 | ジューキ株式会社 | Yarn eyelet apparatus of looper in sewing machine |
| JPS58203796A (en) * | 1982-05-24 | 1983-11-28 | ジューキ株式会社 | Yarn passing apparatus of looper in sewing machine |
| JPS5924308U (en) * | 1982-08-03 | 1984-02-15 | 日立造船株式会社 | Demolding equipment |
| JPS63153983U (en) * | 1987-03-31 | 1988-10-11 | ||
| JPH02200298A (en) * | 1989-01-31 | 1990-08-08 | Juki Corp | Mechanism for guiding thread for lower looper in overlock sewing machine |
-
1989
- 1989-11-28 JP JP1989137392U patent/JPH0740387Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127689A (en) * | 1981-12-24 | 1983-07-29 | ジューキ株式会社 | Yarn eyelet apparatus of looper in sewing machine |
| JPS58203796A (en) * | 1982-05-24 | 1983-11-28 | ジューキ株式会社 | Yarn passing apparatus of looper in sewing machine |
| JPS5924308U (en) * | 1982-08-03 | 1984-02-15 | 日立造船株式会社 | Demolding equipment |
| JPS63153983U (en) * | 1987-03-31 | 1988-10-11 | ||
| JPH02200298A (en) * | 1989-01-31 | 1990-08-08 | Juki Corp | Mechanism for guiding thread for lower looper in overlock sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740387Y2 (en) | 1995-09-20 |
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