JP2608950B2 - Threading mechanism of lower looper in overlock sewing machine - Google Patents
Threading mechanism of lower looper in overlock sewing machineInfo
- Publication number
- JP2608950B2 JP2608950B2 JP1022005A JP2200589A JP2608950B2 JP 2608950 B2 JP2608950 B2 JP 2608950B2 JP 1022005 A JP1022005 A JP 1022005A JP 2200589 A JP2200589 A JP 2200589A JP 2608950 B2 JP2608950 B2 JP 2608950B2
- Authority
- JP
- Japan
- Prior art keywords
- thread
- lower looper
- looper
- sewing machine
- hooking
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、オーバーロックミシンにおける下ルーパ
に、その先端部に形成された糸穴から同ルーパの基部に
渡って下ルーパを掛け渡すようにしたオーバーロックミ
シンの糸掛け機構に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method in which a lower looper is passed over a lower looper of an overlock sewing machine from a thread hole formed at a tip end thereof to a base of the same looper. And a thread hooking mechanism of the overlock sewing machine.
一般に、オーバーロックミシンの下ルーパには、第13
図に示すように下ルーパＬに沿って下ルーパ糸Ｉが架け
渡されている。すなわち、下ルーパ糸Ｉは、下ルーパＬ
の先端に形成された糸穴L1からその後方の基部に形成さ
れた糸掛け溝L2に架け渡されており、縫製時には図外の
ルーパ糸供給源からルーパ糸案内g1,g2を経て糸掛け溝L
2に導かれた下ルーパ糸Ｉが、下ルーパＬの長手方向に
形成された糸案内溝L3に沿って糸穴L1へ導かれ、針板Ｂ
側へ送り出されるようになっている。In general, the lower looper of the overlock
As shown in the figure, a lower looper thread I is stretched along the lower looper L. That is, the lower looper thread I is
Tip and the thread hole L 1 which is formed bridged yarn hooking groove L 2 formed on the base of its backward, the looper thread guide g 1, g 2 at the time of sewing looper thread supply source, not shown Via thread groove L
Lower looper thread I guided to 2 is led into the thread hole L 1 along the yarn guide groove L 3 formed in the longitudinal direction of the lower looper L, needle plate B
It is sent to the side.
ところで、上記下ルーパＬは、通常、下メスホルダー
やミシンカバー等の種々の構成部材Ｍ（図中、一点鎖線
にて示す）により、全面が一部覆われており、そのため
上記のようにルーパ糸Ｉを下ルーパＬに架け渡すには、
次のような手順を必要とした。By the way, the lower looper L is generally partially covered by various constituent members M (shown by dashed lines in the figure) such as a lower knife holder and a sewing machine cover. To pass the thread I to the lower looper L,
The following steps were required.
まず、下ルーパＬを後方（左側）へ移動させて、第14
図（ｂ）に示すように下ルーパＬの糸掛け溝L2をミシン
構成部材Ｍより露呈させる。First, the lower looper L is moved rearward (left side) to
The yarn hooking groove L 2 of the lower looper L exposing from the sewing machine components M as shown in FIG. (B).
そこで、作業者は、ミシンに備品として設けられてい
る引掛け金具Ｆをミシン構成部材Ｍと下ルーパＬとの狭
小な間隙に差し込み、そのフック状の先端部より下ルー
パ糸Ｉを引っかけて、構成部材Ｍの後方（左側）へ引き
出し、その引き出した糸Ｉを糸掛け溝L2に後方より挿通
させる。Then, the worker inserts the hook fitting F provided as a fixture on the sewing machine into the narrow gap between the sewing machine component M and the lower looper L, hooks the lower looper thread I from the hook-shaped tip portion, drawer rearward components M (left side), is inserted from the rear of the drawer yarn I on the yarn hooking groove L 2.
次いで第14図（ａ）に示すように、糸掛け溝L2に挿通
した下ルーパ糸Ｉの端部を手で保持しながら、引掛け金
具Ｆに引っかけて、ミシン構成部材Ｍ前方（右側）に引
き出し、下ルーパ糸Ｉの前端を下ルーパ糸穴L1に挿通さ
せる。Then Figure 14 (a), a while maintaining the ends of the lower looper thread I inserted through the yarn threading groove L 2 by hand, hooking the hook fitting F, the sewing machine components M forward (right) drawer, inserting the front end of the lower looper thread I the lower looper thread hole L 1.
これにより、下ルーパＬには、その糸案内溝L3に沿っ
て下ルーパ糸Ｉが架け渡される。Thus, the lower looper L, the lower looper thread I is bridged along the thread guide groove L 3.
上記のように従来は、下ルーパＬへの糸掛けに際して
下ルーパＬを移動させる必要があり、しかも、引掛け金
具Ｆを用いて下ルーパ糸Ｉを引き出すという困難な作業
を必要とするため、作業能率が悪く、生産性の低下を招
くという問題があった。As described above, conventionally, it is necessary to move the lower looper L when hooking the thread onto the lower looper L, and furthermore, it is necessary to perform a difficult operation of pulling out the lower looper thread I using the hook F. There has been a problem that work efficiency is poor and productivity is reduced.
この発明は前記従来技術における問題点を解消すべく
成されたもので、作業者が下ルーパへの糸掛けを迅速か
つ容易に行ない得るオーバーロックミシンの糸掛け機構
の提供を目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a threading mechanism for an overlock sewing machine that enables a worker to quickly and easily thread a thread on a lower looper.
この発明は以下の（イ）又は（ロ）に示す構成により
上記課題を解決するものである。The present invention solves the above-mentioned problems by the following configuration (a) or (b).
すなわち、（イ）は下ルーパ糸挿通用の糸掛け溝を形
成してなる可動糸掛け部材を下ルーパの長手方向に沿っ
て移動可能に嵌合させ、前記可動糸掛け部材を所定の係
止手段により常には下ルーパの基部へ位置させるよう構
成するものである。In other words, (a) fits a movable thread hooking member formed with a thread hooking groove for lower looper thread insertion so as to be movable along the longitudinal direction of the lower looper, and locks the movable thread hooking member in a predetermined locking state. By means, it is configured to always be located at the base of the lower looper.
また、（ロ）は糸掛け溝を形成して成る可動糸掛け部
材を、下ルーパの下方と下ルーパの基部との間を上下動
可能に設け、この可動糸掛け部材を所定の係止手段によ
り常には下ルーパの基部に位置させるよう構成するもの
である。Also, (b) provides a movable thread hooking member formed with a thread hooking groove so as to be movable up and down between the lower part of the lower looper and the base of the lower looper. , So that it is always located at the base of the lower looper.
上記のように、この発明においては、可動糸掛け部材
を上下動または下ルーパに沿って移動させ得るため、糸
掛け作業に際しては可動糸掛け部材を下ルーパ糸導入経
路の基部から移動させてミシン構成部材より外方へ露呈
させ、そこで下ルーパ糸を可動糸掛け部材の糸掛け溝に
挿通させた後、再度基部へ移動させればよく、何等道具
を用いずに容易に糸掛けを行なうことができる。As described above, in the present invention, the movable thread hooking member can be moved up and down or moved along the lower looper. Therefore, at the time of the thread hooking operation, the movable thread hooking member is moved from the base of the lower looper thread introduction path so that the sewing machine can be moved. The lower looper thread is inserted through the thread hooking groove of the movable thread hooking member, and then moved to the base again, so that the thread can be hooked easily without using any tools. Can be.
以下、この発明の実施例を第１図ないし第12図に基づ
き説明する。Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 12.
第１図において、２はミシンの駆動期間中回転揺動す
る揺動軸１に固定したルーパ揺動腕、３はこの揺動腕の
先端に固着した円弧形状を成す下ルーパである。この下
ルーパ３には、先端部に糸穴3aが形成されると共に、そ
の糸穴3aからＢ−Ｂ線にて示す箇所（基部）に亘って糸
案内溝3bが形成されている。In FIG. 1, reference numeral 2 denotes a looper swing arm fixed to a swing shaft 1 which rotates and swings during a driving period of the sewing machine, and reference numeral 3 denotes an arc-shaped lower looper fixed to the tip of the swing arm. In the lower looper 3, a thread hole 3a is formed at the distal end, and a thread guide groove 3b is formed from the thread hole 3a to a location (base) indicated by the line BB.
４は前記揺動軸１に回動自在に取り付けたＬ字状の角
ゴマ作動レバーで、その先端には、糸掛け溝5aを形成し
て成る糸掛け部材としての角ゴマ５が一体的に設けられ
ている（第２図参照）。この角ゴマ５には角ゴマガイド
ピン5bが挿通されており、このガイドピン5bは圧縮ばね
5cにより前記下ルーパ３の糸案内溝3bに嵌合するよう付
勢されている（第３図参照）。このため、前記角ゴマ５
は作動レバー４と共に前記糸案内溝3bの範囲内で下ルー
パ３の一側面に沿って移動可能となっており、常には、
下ルーパ３と作動レバー４との間に架け渡した引きばね
（付勢手段）６によって前記糸案内溝3bの後端、すなわ
ち基部に位置するよう付勢されている。また、この実施
例では、前記角ゴマ５を下ルーパ３の先端部及び基部に
係止し得るよう、前記角ゴマガイドピン5bを嵌挿させる
係止凹部3c1,3c2が前記糸案内溝3bのＡ−Ａ線箇所及び
Ｂ−Ｂ線箇所に形成されている（第４参照）。Reference numeral 4 denotes an L-shaped square sesame operating lever rotatably attached to the swing shaft 1, and at the tip thereof, a square sesame 5 as a thread hooking member formed with a thread hooking groove 5a is integrally formed. (See FIG. 2). A square sesame guide pin 5b is inserted into the square sesame 5, and the guide pin 5b is a compression spring.
5c urges the lower looper 3 to fit into the thread guide groove 3b (see FIG. 3). Therefore, the square sesame 5
Is movable along one side surface of the lower looper 3 together with the operation lever 4 within the range of the yarn guide groove 3b.
The thread guide groove 3b is biased by a tension spring (biasing means) 6 bridged between the lower looper 3 and the operation lever 4 so as to be located at the rear end of the thread guide groove 3b, that is, at the base. Further, in this embodiment, the locking recesses 3c 1 and 3c 2 into which the square sesame guide pins 5b are inserted are formed in the thread guide grooves so that the square sesame 5 can be locked to the front end and the base of the lower looper 3. It is formed at the AA line portion and the BB line portion of 3b (see fourth).
なお、第１図中、4b,4cは角ゴマ作動レバー４に設け
たルーパ糸案内、Ｍは前記下ルーパ３の前面を一部覆う
ミシン構成部材である。In FIG. 1, reference numerals 4b and 4c denote looper thread guides provided on the square sesame operating lever 4, and M denotes a sewing machine member which partially covers the front surface of the lower looper 3.
上記構成を有するこの実施例においては、下ルーパ３
への糸掛け動作は、下ルーパ３の先端部がミシン構成部
材Ｍより露呈している状態を維持したまま、全く下ルー
パ３を移動させずに行なうことができる。In this embodiment having the above configuration, the lower looper 3
The threading operation can be performed without moving the lower looper 3 at all while maintaining the state in which the tip of the lower looper 3 is exposed from the sewing machine constituent member M.
すなわち、まず、角ゴマ作動レバー４の一端部4aを下
方へ押圧して同レバー４を第１図の状態から時計方向へ
回転させ、角ゴマガイドピン5bを下ルーパ３の先方に形
成された係止凹部3c1へ嵌合させ、角ゴマ５を下ルーパ
３の先端部に係止させる。これにより角ゴマ５は、第５
図に示すようにミシン構成部材Ｍより外方へ露呈する。
ここで、図外の糸供給源から引き出した下ルーパ糸Ｉを
糸案内4b,4cへ挿通させた後、角ゴマ５の糸掛け溝5aに
挿通させ、さらに糸穴3aへ挿通させる。そして、糸穴3a
に挿通させた下ルーパ糸Ｉの端部を指等で保持してお
き、角ゴマ作動レバー４の一端部4aを図中反時計方向へ
若干押圧して角ゴマガイドピン5bと係止凹部3c2との嵌
合により、角ゴマ５は下ルーパ３の基板にて係止され
る。その結果、下ルーパ糸Ｉは第６図に示すように糸穴
3aから糸案内溝3bに沿って基部へ架け渡され、以上によ
り糸掛け作業は完了する。このように、この実施例で
は、角ゴマ５を下ルーパ３に沿って移動させるだけの極
めて簡単な操作にて糸掛けを行なうことができ、従来技
術における引掛け金具Ｆのような備品を全く必要としな
い。That is, first, the one end 4a of the square sesame operating lever 4 is pressed downward to rotate the lever 4 clockwise from the state shown in FIG. 1 so that the square sesame guide pin 5b is formed at the tip of the lower looper 3. fitted into the engagement recess 3c 1, locking the angular sesame 5 to the distal end of the lower looper 3. As a result, the corner sesame 5 becomes the fifth
As shown in the figure, it is exposed outward from the sewing machine constituent member M.
Here, after the lower looper thread I drawn from a thread supply source (not shown) is inserted through the thread guides 4b and 4c, the lower looper thread I is inserted into the thread hooking groove 5a of the square sesame 5 and further into the thread hole 3a. And thread hole 3a
The end of the lower looper thread I inserted through the hole is held by a finger or the like, and the one end 4a of the square sesame operating lever 4 is slightly pressed in a counterclockwise direction in the figure to thereby make the square sesame guide pin 5b and the locking recess 3c The square sesame 5 is locked by the substrate of the lower looper 3 by fitting with the second looper 3. As a result, as shown in FIG.
From 3a, it is bridged to the base along the yarn guide groove 3b, and the yarn hooking operation is completed as described above. As described above, in this embodiment, the thread hooking can be performed by an extremely simple operation of moving the square sesame 5 along the lower looper 3, and equipment such as the hook metal fitting F in the related art can be completely removed. do not need.
次に、この発明の第２実施例を第７図ないし第14図に
基づき説明する。なお、第２実施例におい、前記第１実
施例と同一部分には同一符号を付す。Next, a second embodiment of the present invention will be described with reference to FIGS. 7 to 14. In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals.
第７図において、７はルーパ揺動腕２に固定した下ル
ーパであり、この下ルーパ７はその後方部側端を基部71
とし、この基部71から先端に形成された糸穴7aに亘って
糸案内溝7bが形成されている。また８は糸案内8b,8cを
有する糸案内板で、ルーパ揺動腕２に固定されている。
９は上部91に糸掛け溝9a及び糸挿通用凹部9bを形成して
成る糸掛け部材としてのルーパ糸捕捉レバーであり、第
８図に示すように前記糸案内板８とこれに固定されたレ
バーガイド10とにより形成される挿通空間Ｓに挿通さ
れ、ストッパ9c1,9c2の範囲内で上下動可能となってい
る。In FIG. 7, reference numeral 7 denotes a lower looper fixed to the looper swing arm 2, and the lower looper 7 has a base 71
A thread guide groove 7b is formed from the base 71 to a thread hole 7a formed at the tip. Reference numeral 8 denotes a thread guide plate having thread guides 8b and 8c, which is fixed to the looper swing arm 2.
Reference numeral 9 denotes a looper thread catching lever as a thread catching member having a thread catching groove 9a and a thread insertion recess 9b formed in an upper portion 91, and is fixed to the thread guide plate 8 and the thread guide plate 8 as shown in FIG. inserted into the insertion space S formed by the lever guide 10, which is vertically movable within the stopper 9c 1, 9c 2.
また、このルーパ糸捕捉レバー９は引きばね（付勢手
段）11により常には第９図に示すようにストッパ9c2が
レバーガイド10に当接するよう付勢されており、その状
態で糸挿通用凹部9bが下ルーパ７の糸案内溝7bと合致し
ルーパ糸挿通穴ｈを形成するようになっている。Further, the looper thread catching lever 9 always by the tension spring (biasing means) 11 are biased stopper 9c 2 as shown in FIG. 9 is brought into contact with the lever guide 10, thread inserted in that state The concave portion 9b is aligned with the thread guide groove 7b of the lower looper 7 to form a looper thread insertion hole h.
上記機構において、したルーパ７への糸掛け行なう場
合には、まず糸案内板８の糸案内8b,8cに下ルーパ糸Ｉ
を挿通させた後、ルーパ糸捕捉レバー９の下端9cを押圧
して糸掛け溝9a及び糸挿通用凹部9bをミシン構成部材Ｍ
より露呈させる。そして、糸案内8cに挿通された糸Ｉを
第10図に示すように糸掛け溝9aから糸挿通用凹部9bへ挿
通させ、糸Ｉの端部を指等で保持した後、ルーパ糸捕捉
レバー９の押圧を解除する。これにより、ルーパ糸捕捉
レバー９は引きばね11の付勢力によって糸を引掛けた状
態で上昇し、上部91が下ルーパ７の基部71の側方に復帰
する。この後、保持していた糸端をミシン構成部材Ｍよ
り露呈している糸穴7aに挿通させ、適度に張力を与えれ
ば、糸Ｉは下ルーパ７の糸案内溝9aに挿通された糸Ｉ
は、糸挿通用凹部9bと下ルーパ７の基部71とで形成され
たルーパ糸挿通孔ｈに第12図に示すように挿通された下
ルーパ７へ導かれるため、糸Ｉの糸案内溝7bからの脱落
は防止され、安定した糸送供動作が行なわれる。In the above-described mechanism, when the thread is hooked on the looper 7, first, the lower looper thread I
Then, the lower end 9c of the looper thread catch lever 9 is pressed to push the thread catching groove 9a and the thread inserting recess 9b into the sewing machine component M.
More exposed. Then, as shown in FIG. 10, the thread I inserted into the thread guide 8c is inserted through the thread hooking groove 9a into the thread insertion recess 9b, and the end of the thread I is held by a finger or the like. 9 is released. As a result, the looper thread catching lever 9 rises in a state where the thread is hooked by the urging force of the tension spring 11, and the upper portion 91 returns to the side of the base 71 of the lower looper 7. Thereafter, the held yarn end is inserted into the yarn hole 7a exposed from the sewing machine constituent member M, and if an appropriate tension is applied, the yarn I can be inserted into the yarn guide groove 9a of the lower looper 7 by the yarn I.
Is guided to the lower looper 7 inserted through the looper thread insertion hole h formed by the thread insertion recess 9b and the base 71 of the lower looper 7 as shown in FIG. Is prevented, and a stable yarn feeding operation is performed.
以上説明したとおり、この発明においては、糸掛け部
材を上下動可能とすることにより、ミシン構成部材より
前記糸掛け部材を露呈させ得るようにしたため、何等道
具を用いずに容易に糸掛け作業を行なえ、作業能率の向
上を図り得ると共に、縫製作業時の下ルーパの揺動によ
り、糸掛け部材が下ルーパに対してばたつく虞れもな
く、適正な糸の供給動作を行なわせることができる。ま
た、糸掛け部材は直線的に移動するため、その移動経路
の占有スペースはごく僅かなスペースで済み、装置が大
型化することもない。As described above, in the present invention, the thread hooking member can be moved up and down, so that the thread hooking member can be exposed from the sewing machine constituent member, so that the thread hooking operation can be easily performed without using any tool. Thus, the work efficiency can be improved, and the thread supply member does not flutter with respect to the lower looper due to the swing of the lower looper during the sewing operation, so that an appropriate thread supply operation can be performed. Further, since the yarn hooking member moves linearly, the space occupied by the moving route is very small, and the apparatus does not become large.
第１図は、この発明の第１実施例を示す正面図、第２図
は第１図に示した角ゴマを示す拡大斜視図、第３図は同
角ゴマのＢ−Ｂ線断面図、第４図は第１図に示した下ル
ーパのＡ−Ａ線及びＢ−Ｂ線断面図、第５図及び第６図
は第１図に示したものの動作を示す正面図、第７図はこ
の発明の第２実施例を示す正面図、第８図は第７図に示
したものの一部横断平面図、第９図は第７図に示したも
のの一部拡大正面図、第10図乃至第11図は第７図に示し
たものの動作説明図、第12図は第11図にしめしたものの
一部拡大正面図、第13図は従来のオーバロックミシンの
下ルーパ糸掛け機構を示す正面図、第14図（ａ），
（ｂ）は第13図に示したものの糸掛け動作を示す正面図
である。 ３……下ルーパ 3a……糸穴 ５……角ゴマ（糸掛け部材） ６……引きばね（付勢手段） ７……下ルーパ 7a……糸穴 ９……ルーパ糸捕捉レバー（糸掛け部材） 11……引きばね（付勢手段）FIG. 1 is a front view showing a first embodiment of the present invention, FIG. 2 is an enlarged perspective view showing the square sesame shown in FIG. 1, FIG. 4 is a sectional view of the lower looper taken along line AA and BB shown in FIG. 1, FIGS. 5 and 6 are front views showing the operation of the one shown in FIG. 1, and FIG. FIG. 8 is a front view showing a second embodiment of the present invention, FIG. 8 is a partially cross-sectional plan view of the one shown in FIG. 7, FIG. 9 is a partially enlarged front view of the one shown in FIG. 11 is an explanatory view of the operation of the one shown in FIG. 7, FIG. 12 is a partially enlarged front view of the one shown in FIG. 11, and FIG. 13 is a front view showing a lower looper thread hooking mechanism of a conventional overlock sewing machine. Fig. 14 (a),
FIG. 14B is a front view showing the thread hooking operation of the one shown in FIG. 3 Lower looper 3a Thread hole 5 Square sesame (thread hooking member) 6 Tension spring (biasing means) 7 Lower looper 7a Thread hole 9 Looper thread catch lever (thread hook) Member) 11 ... Tension spring (biasing means)
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平１−303194（ＪＰ，Ａ) 特開 昭63−240895（ＪＰ，Ａ) 特開 昭58−203796（ＪＰ，Ａ) 特開 昭58−127689（ＪＰ，Ａ) 実開 昭63−153983（ＪＰ，Ｕ) 実開 昭59−188078（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-303194 (JP, A) JP-A-63-240895 (JP, A) JP-A-58-203796 (JP, A) JP-A-58-203 127689 (JP, A) Fully open sho 63-153983 (JP, U) Really open sho 59-188078 (JP, U)
Claims (1)
縫製動作中揺動する下ルーパ７と、 上端部に下ルーパ糸挿通用の糸掛け溝9aを有し、前記糸
掛け溝9aが前記下ルーパ７の後方の基部からその下方へ
移動しえるよう下ルーパに上下動可能に支持した糸掛け
部材９と、 前記糸掛け溝9aが常に前記基端に位置するよう付勢する
付勢手段11とを備えたことを特徴とするオーバーロック
ミシンにおける下ルーパの糸掛け機構。1. A thread hole for inserting a lower looper thread at a tip end portion,
It has a lower looper 7 that swings during the sewing operation, and a thread hooking groove 9a for inserting a lower looper thread at the upper end, so that the thread hooking groove 9a can move downward from the rear base of the lower looper 7. A lower portion of the overlock sewing machine, comprising: a threading member 9 supported by the lower looper so as to be vertically movable; and a biasing means 11 for biasing the threading groove 9a to be always positioned at the base end. Looper thread hook mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1022005A JP2608950B2 (en) | 1989-01-31 | 1989-01-31 | Threading mechanism of lower looper in overlock sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1022005A JP2608950B2 (en) | 1989-01-31 | 1989-01-31 | Threading mechanism of lower looper in overlock sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02200298A JPH02200298A (en) | 1990-08-08 |
| JP2608950B2 true JP2608950B2 (en) | 1997-05-14 |
Family
ID=12070892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1022005A Expired - Fee Related JP2608950B2 (en) | 1989-01-31 | 1989-01-31 | Threading mechanism of lower looper in overlock sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2608950B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8939097B2 (en) | 2010-11-29 | 2015-01-27 | Jaguar International Corporation | Threading device for sewing machine lower looper |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0740387Y2 (en) * | 1989-11-28 | 1995-09-20 | 株式会社ジューキ | Looper thread guide device for overlock sewing machine |
| US8893632B1 (en) * | 2013-06-18 | 2014-11-25 | Hsien-Chang Tseng | Thread hooking device for a hemming device of a sewing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5927597B2 (en) * | 1981-12-24 | 1984-07-06 | ジューキ株式会社 | Looper threading device 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 |
| JPH0625271Y2 (en) * | 1987-03-31 | 1994-07-06 | アイシン精機株式会社 | Overlock sewing machine looper |
-
1989
- 1989-01-31 JP JP1022005A patent/JP2608950B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8939097B2 (en) | 2010-11-29 | 2015-01-27 | Jaguar International Corporation | Threading device for sewing machine lower looper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02200298A (en) | 1990-08-08 |
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