JPS6242635B2 - - Google Patents

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Publication number
JPS6242635B2
JPS6242635B2 JP21808984A JP21808984A JPS6242635B2 JP S6242635 B2 JPS6242635 B2 JP S6242635B2 JP 21808984 A JP21808984 A JP 21808984A JP 21808984 A JP21808984 A JP 21808984A JP S6242635 B2 JPS6242635 B2 JP S6242635B2
Authority
JP
Japan
Prior art keywords
bed frame
movable part
sewing machine
main body
lower looper
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
Application number
JP21808984A
Other languages
Japanese (ja)
Other versions
JPS6194680A (en
Inventor
Osamu Etsuchu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maruzen Sewing Machine Co Ltd
Original Assignee
Maruzen Sewing Machine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maruzen Sewing Machine Co Ltd filed Critical Maruzen Sewing Machine Co Ltd
Priority to JP21808984A priority Critical patent/JPS6194680A/en
Publication of JPS6194680A publication Critical patent/JPS6194680A/en
Publication of JPS6242635B2 publication Critical patent/JPS6242635B2/ja
Granted legal-status Critical Current

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  • Sewing Machines And Sewing (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は布縁にかがり縫を施すオーバロツク
ミシンに関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an overlock sewing machine that performs overlock stitching on the edges of cloth.

〔従来の技術〕[Conventional technology]

第9図、第10図は従来のオーバロツクミシン
を示すものである。
9 and 10 show a conventional overlock sewing machine.

第9図において、1はベツドフレーム本体、2
はその上のベツドである。このベツド2には開閉
自在の針板3を有する開口4があり、この開口4
に臨むベツドフレームの左側壁6には固定メス5
が取付けてある。
In Fig. 9, 1 is the bed frame body, 2
is the bed above it. This bed 2 has an opening 4 having a needle plate 3 that can be opened and closed.
A fixed knife 5 is installed on the left side wall 6 of the bed frame facing the
is installed.

8は上下のガイド9,10に昇降自在に取付け
た昇降棒で、その上端に可動メス11が固定さ
れ、前記固定メス5の上部の刃12と可動メス1
1の下側の刃13とで布縁を切り揃える。
Reference numeral 8 denotes a lifting rod that is attached to upper and lower guides 9 and 10 so as to be able to rise and fall freely, and a movable knife 11 is fixed to the upper end of the lifting rod.
Cut the edge of the cloth using the lower blade 13 of 1.

前記可動メス11は前記ガイド9,10の軸1
4,15をヘツドフレーム本体1の左側壁6に進
退自在に取付け、バネによりガイド9を左方へ引
くことにより可動メス11を固定メス5の右側面
に圧着せしめる。
The movable knife 11 is attached to the shaft 1 of the guides 9 and 10.
4 and 15 are attached to the left side wall 6 of the head frame main body 1 so as to be movable forward and backward, and the movable knife 11 is pressed against the right side surface of the fixed knife 5 by pulling the guide 9 to the left with a spring.

昇降棒8の下部寄りに固定したブロツク16の
側部にはローラ17を設け、このローラ17にミ
シンの可動部に連動する駆動レバー18を係合さ
せてミシンの運転とともに昇降棒8が昇降するよ
うに構成する。
A roller 17 is provided on the side of a block 16 fixed near the bottom of the lifting rod 8, and a drive lever 18 that is linked to the movable part of the sewing machine is engaged with the roller 17, so that the lifting rod 8 is raised and lowered as the sewing machine is operated. Configure it as follows.

第10図の別の従来例では固定メス5はベツド
2の下部に設けた取付台20に固定してある。
In another conventional example shown in FIG. 10, the fixed knife 5 is fixed to a mounting base 20 provided at the bottom of the bed 2.

また、可動メス11はベツド2上のミシン立胴
部21に後部を取付けた上下揺動アーム22の前
端のボス23に回動および摺動自在に取付けた軸
24の左端に固定したもので、第7図、第8図の
ようにボス23内のバネ25で左へ押すことによ
り可動メス11を固定メス5の右側面に圧着せし
める。
Furthermore, the movable scalpel 11 is fixed to the left end of a shaft 24 rotatably and slidably attached to a boss 23 at the front end of a vertically swinging arm 22 whose rear end is attached to the vertical body 21 of the sewing machine on the bed 2. As shown in FIGS. 7 and 8, the movable knife 11 is pressed to the right side of the fixed knife 5 by pushing it to the left with the spring 25 inside the boss 23.

すなわち、軸24にはピン28を設け、このピ
ン28が係脱する切欠29をボス23に設けて、
第7図のようにこの切欠29にピン28を係合さ
せたときは可動メス11が下向きとなつてバネ2
5により固定メス5に圧着し、軸24の右端のツ
マミ30により軸24を右に引き、ピン28を切
欠29から外し、可動メス11を前向きにすると
ピン28が第8図のようにボス23の右側面に接
触する。
That is, the shaft 24 is provided with a pin 28, and the boss 23 is provided with a notch 29 into which the pin 28 engages and disengages.
When the pin 28 is engaged with this notch 29 as shown in FIG. 7, the movable knife 11 faces downward and the spring 2
5 to the fixed knife 5, pull the shaft 24 to the right with the knob 30 at the right end of the shaft 24, remove the pin 28 from the notch 29, and move the movable knife 11 forward, so that the pin 28 is attached to the boss 23 as shown in FIG. contact the right side of the

上記何れの従来例の場合も下ルーパ32はベツ
ドフレーム本体1に設けた軸33に固定した揺動
レバー34の上端に固定され、第11図のような
形状をしている。
In any of the above conventional examples, the lower looper 32 is fixed to the upper end of a swing lever 34 fixed to a shaft 33 provided on the bed frame main body 1, and has a shape as shown in FIG.

すなわち、作業者側から見て、左側に糸孔35
があり、この糸孔に挿入した糸はルーパ前面の糸
溝36を通りルーパ先端の糸孔37に挿入するよ
うになつている。
In other words, the thread hole 35 is located on the left side when viewed from the operator's side.
The thread inserted into this thread hole passes through a thread groove 36 on the front surface of the looper and is inserted into a thread hole 37 at the tip of the looper.

ベツドフレーム本体1の前部左側は第9図、第
10図に鎖線で示すように、開閉自在の補助ベツ
ド40となつているから、下ルーパ32への糸通
しにさいしては、まず図示省略してある前面カバ
ーを開き、ついで、補助ベツド40を開く。
The front left side of the bed frame main body 1 is an auxiliary bed 40 that can be opened and closed, as shown by chain lines in FIGS. 9 and 10. Open the front cover and then open the auxiliary bed 40.

一方、図示省略してあるミシン上方の糸巻より
引出した糸を、ミシン上部にある糸調子器及び糸
案内など(図示せず)を経由させて、糸案内41
にかけたのち固定メス5、針板3の下を、あるい
はベツドフレーム本体1の左側壁6の開口42を
くぐらせて下ルーパ32の後部側に引き出す。
On the other hand, the thread pulled out from the bobbin spool above the sewing machine (not shown) is passed through the thread tension device, thread guide, etc. (not shown) at the top of the sewing machine, and then passed through the thread guide 41.
After hanging it, it is pulled out to the rear side of the lower looper 32 by passing under the fixed knife 5 and throat plate 3 or through the opening 42 in the left side wall 6 of the bed frame main body 1.

こうして下ルーパ32の後部に引出した糸は下
ルーパ32の左側の糸孔35に通し、糸溝36を
経て右側の剣先の糸孔37に挿通して完了する。
The thread thus drawn out to the rear of the lower looper 32 is passed through the thread hole 35 on the left side of the lower looper 32, passes through the thread groove 36, and is inserted into the thread hole 37 at the tip of the right sword to complete the thread.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上記で明らかなように下ルーパ32への糸の挿
入はきわめて手数がかかるものであるが、これに
加えて、下ルーパ32の前部には第9図の例では
固定メス5と可動メス11とがあり、第10図の
場合は、可動メス11は前向きにできるが固定メ
ス5はそのままである。
As is clear from the above, it is very time-consuming to insert the thread into the lower looper 32, but in addition to this, in the example shown in FIG. In the case of FIG. 10, the movable knife 11 can be moved forward, but the fixed knife 5 remains as it is.

このため、固定メス5やこの固定メス5を取付
ける部品あるいは固定メス5を支えるベツドフレ
ーム、針板3を支え前方へ延出するベツド面など
により作業者の作業視界が遮られる。
Therefore, the worker's working field of view is obstructed by the fixed knife 5, the parts to which the fixed knife 5 is attached, the bed frame that supports the fixed knife 5, the bed surface that supports the throat plate 3 and extends forward, and the like.

従つて、下ルーパ32への糸通しを直接目視す
ることが困難であり、さらに作業者の指先が作業
のための下ルーパ32への十分な接近ができない
などの理由から糸通し作業が困難となり、そのた
めミシンの裁縫準備に要する時間が多くなるとい
う問題があつた。
Therefore, it is difficult to directly visually observe the threading of the lower looper 32, and furthermore, the threading operation becomes difficult because the operator's fingertips cannot sufficiently approach the lower looper 32 for work. Therefore, there was a problem in that the time required to prepare the sewing machine for sewing increased.

〔問題点を解決するための手段〕[Means for solving problems]

上記の問題点を解決するために、この発明は下
ルーパの前方にあつて、下ルーパへの糸通し作業
の障害となる少なくとも、固定メスおよび、この
固定メスが取付られているベツドフレーム部分
を、ベツドフレーム本体とは別体に、かつ回動自
在に取付けられるベツドフレーム可動部とし、こ
の可動部を下ルーパから遠ざかる方向へ開き退避
させることにより、前記下ルーパの前方を開放状
態となし得るように構成したものである。
In order to solve the above-mentioned problems, the present invention eliminates at least the fixed knife and the bed frame portion to which the fixed knife is attached, which is located in front of the lower looper and which obstructs the threading operation to the lower looper. A bed frame movable part is rotatably attached separately from the bed frame main body, and by opening and retracting this movable part in a direction away from the lower looper, the front of the lower looper can be brought into an open state. It is configured as follows.

〔作用〕[Effect]

この発明は上記の構成であるから、下ルーパへ
の糸通し作業の際は回動自在のベツドフレーム可
動部を下ルーパから遠ざかる方向へ回動してベツ
ドフレーム本体から開くと、これとともに固定メ
スや可動メスも下ルーパの前部から退避し、下ル
ーパの前部が大きく開放され、下ルーパ全体が直
接目視できる状態となる。
Since this invention has the above configuration, when threading the lower looper, when the rotatable bed frame movable part is rotated in the direction away from the lower looper and opened from the bed frame main body, the fixed knife The movable knife and movable knife are also retracted from the front part of the lower looper, and the front part of the lower looper is wide open, so that the entire lower looper can be directly viewed.

〔実施例〕〔Example〕

第1図ないし第4図の第1の実施例は第9図に
示す従来例を改良したもので、固定メス5と、可
動メス11の可動メス機構の両方をベツドフレー
ム本体1とは別体のベツドフレーム可動部45に
取付けたものである。
The first embodiment shown in FIGS. 1 to 4 is an improvement on the conventional example shown in FIG. It is attached to the bed frame movable part 45 of.

すなわち、この可動部45は第3図に示すよう
にベツドフレーム本体1の一端に軸46を中心に
して回動自在に取付けられており、第2図のよう
に固定メス5がこの可動部45の後側上部の取付
台44にネジ止めされている。
That is, as shown in FIG. 3, this movable part 45 is rotatably attached to one end of the bed frame main body 1 about a shaft 46, and the fixed knife 5 is attached to this movable part 45 as shown in FIG. It is screwed to a mounting base 44 on the upper rear side.

また、第2図および第3図に示されるベツドフ
レーム可動部45に取付けられる可動メス11の
機構はつぎのとおりである。可動メス11を取付
けた昇降棒8のガイド9の軸14はベツドフレー
ム可動部45の後側の取付部48に進退自在に取
付け、取付部48の後部の大径孔内において、軸
14にはめたバネ49を軸14の後端に固定した
バネ受け50にて受けることにより可動メス11
を固定メス5に圧着せしめている。前記ガイド9
の下側には昇降棒8に固着したブロツク16に取
着されるローラ17が設けられている。
The mechanism of the movable knife 11 attached to the bed frame movable portion 45 shown in FIGS. 2 and 3 is as follows. The shaft 14 of the guide 9 of the lifting rod 8 to which the movable scalpel 11 is attached is attached to the mounting part 48 on the rear side of the bed frame movable part 45 so as to be able to move forward and backward. The movable knife 11 is received by a spring receiver 50 fixed to the rear end of the shaft 14.
is crimped onto the fixed knife 5. Said guide 9
A roller 17 attached to a block 16 fixed to the lifting rod 8 is provided on the lower side.

駆動レバー18は第4図のようにその中間部が
軸51により支持され、後端はミシンの駆動軸5
2によりエキセントリツクを介して上下に動かさ
れるリンク53に連結している。
As shown in FIG. 4, the drive lever 18 has its middle portion supported by a shaft 51, and its rear end supported by the drive shaft 5 of the sewing machine.
2, it is connected to a link 53 which is moved up and down via an eccentric.

また、駆動レバー18の前部はベツドフレーム
可動部45を下ルーパに向かつて回動してベツド
フレーム本体1に閉じたとき可動部45側の可動
メス機構のローラ17がはまり易いように上下に
開いている。第2図ないし第4図の55は可動部
45に設けたフツクで、可動部45の後側に回動
自在に取付けた横軸57の内端に固定したもので
あり、横軸57の外端には操作用ツマミ58を固
定してある。
In addition, the front part of the drive lever 18 is tilted up and down so that when the bed frame movable part 45 is rotated toward the lower looper and closed to the bed frame main body 1, the roller 17 of the movable knife mechanism on the movable part 45 side can easily fit into the bed frame movable part 45. is open. Reference numeral 55 in FIGS. 2 to 4 indicates a hook provided on the movable part 45, which is fixed to the inner end of a horizontal shaft 57 rotatably attached to the rear side of the movable part 45. An operating knob 58 is fixed to the end.

上記フツク55は第2図のようにベツドフレー
ム本体1内に固定した係止片60に係合するもの
で、可動部45を閉じるとフツク55がバネの作
用で係止片60に係合し、また、ツマミ58によ
りフツク55を係止片60から外せるようにす
る。
As shown in FIG. 2, the hook 55 engages with a locking piece 60 fixed inside the bed frame main body 1. When the movable part 45 is closed, the hook 55 engages with the locking piece 60 under the action of a spring. Also, the hook 55 can be removed from the locking piece 60 using the knob 58.

この実施例の場合、ベツドフレーム可動部45
を回動してベツドフレーム本体1に閉じた状態で
は第4図のようにフツク55が係止片60に係合
して固定され、昇降棒8のローラ17が駆動レバ
ー18に係合するから、ミシンの運転とともに駆
動レバー18が上下に揺動して昇降棒8を昇降さ
せ、可動メス11を昇降させる。
In this embodiment, the bed frame movable part 45
When it is rotated and closed to the bed frame main body 1, the hook 55 engages with the locking piece 60 and is fixed, as shown in FIG. 4, and the roller 17 of the lifting bar 8 engages with the drive lever 18. When the sewing machine is operated, the drive lever 18 swings up and down to raise and lower the lifting rod 8 and move the movable knife 11 up and down.

下ルーパ32への糸通しにさいしては、ツマミ
58でフツク55を係止片60から外し、可動部
45を第2図のように前方の不作用位置に退避さ
せると、下ルーパ32の前面が開放されるので、
下ルーパ32に対する糸通しはきわめて容易とな
る。
When threading the lower looper 32, the hook 55 is removed from the locking piece 60 using the knob 58, and the movable part 45 is retracted to the front inactive position as shown in FIG. will be released, so
Threading the lower looper 32 becomes extremely easy.

第5図、第6図の第2の実施例は、第10図の
従来例を改良したもので、可動メス11は従来例
と同じ第7図、第8図の構造のものとし、固定メ
ス5のみを可動部45に取付けた取付板47に固
定する。
The second embodiment shown in FIGS. 5 and 6 is an improvement on the conventional example shown in FIG. 5 is fixed to a mounting plate 47 attached to the movable part 45.

また、この場合もフツク55、ツマミ58は第
6図のように可動部45の後側下部に回動自在に
取付けた横軸57に固定してベツドフレーム本体
1に固定した係止片60に係脱自在とする。
Also, in this case, the hook 55 and the knob 58 are fixed to a horizontal shaft 57 rotatably attached to the rear lower part of the movable part 45 and attached to a locking piece 60 fixed to the bed frame main body 1, as shown in FIG. It can be freely connected and disconnected.

この第2の実施例の場合も可動部45を閉じ、
フツク55が係止片60に係合して固定され、可
動メス11を下向きにして第7図のようにピン2
8が切欠29内に入つている状態では第5図のよ
うに固定メス5と可動メス11が接触してミシン
の運転とともに可動メス11が昇降し、布縁を切
り揃えることができる。
In the case of this second embodiment as well, the movable part 45 is closed,
The hook 55 is engaged with the locking piece 60 and fixed, and the movable knife 11 is turned downward and the pin 2 is fixed as shown in FIG.
8 is in the notch 29, the stationary knife 5 and movable knife 11 come into contact with each other as shown in FIG. 5, and the movable knife 11 moves up and down as the sewing machine operates, allowing the edge of the fabric to be trimmed.

下ルーパ32への糸通しにさいしては、上方の
ツマミ30により軸24をバネ25に抗して引
き、ピン28を切欠29から外し、可動メス11
を前向きにしてピン28を第8図のように後向き
にする。
To thread the thread into the lower looper 32, pull the shaft 24 against the spring 25 using the upper knob 30, remove the pin 28 from the notch 29, and remove the movable knife 11.
with the pin facing forward and the pin 28 facing backward as shown in FIG.

一方、下方のツマミ58をもつてフツク55を
係止片60から外し、可動部45を第6図のよう
に回動して固定メス5を不作用位置に退避させる
と、下ルーパ32の前面が開放されるので、第1
の実施例と同様に下ルーパ32に対する糸通しが
きわめて容易となる。第1の実施例および第2の
実施例において、ベツドフレーム可動部45の上
面は可動部45を回動してベツドフレーム本体1
に閉じたとき本体1のベツド2と同一の作業ベツ
ド面を構成するようにしてあるので、前述のとお
り下ルーパ32への糸通しを完了したのちベツド
フレーム可動部45を本体1に閉じれば、これら
の作業ベツド面を利用して円滑な縫製作業を行な
うことができる。
On the other hand, when the hook 55 is removed from the locking piece 60 by holding the lower knob 58 and the movable part 45 is rotated as shown in FIG. is released, so the first
As in the embodiment described above, threading through the lower looper 32 becomes extremely easy. In the first embodiment and the second embodiment, the upper surface of the bed frame movable part 45 rotates the movable part 45 to move the bed frame main body 1.
When the bed frame is closed, it constitutes the same working bed surface as the bed 2 of the main body 1, so if the bed frame movable part 45 is closed to the main body 1 after thread threading to the lower looper 32 is completed as described above, Smooth sewing work can be performed using these working bed surfaces.

なお、可動部45の退避方式は図示例のような
側方へ回動する方式の他に下方へ回動する方式あ
るいは引出し式などの任意の方式を実施できる。
また、ミシン本体側の運動部に連動する2叉レバ
ーのかわりにローラを用い、可動部側の可動メス
を昇降させるローラのかわりに2叉レバーを用い
る場合もあることは勿論である。
The retraction method of the movable portion 45 may be any method such as a method of rotating downward or a method of pulling out, in addition to a method of rotating laterally as shown in the illustrated example.
Furthermore, it goes without saying that a roller may be used instead of the two-pronged lever that is linked to the moving section on the sewing machine main body side, and a two-pronged lever may be used instead of the roller that raises and lowers the movable knife on the movable section side.

〔効果〕〔effect〕

この発明は前記のように下パールの前方にあつ
て、下ルーパへの糸通しのさいに視界を妨げて、
糸通し作業の障害となる固定メスのみ、または固
定メスと可動メスの両方をベツドフレーム本体に
回動自在に取付けたベツドフレーム可動部に取付
けたので、下ルーパへの糸通しにさいして、この
ベツドフレーム可動部を下ルーパから遠ざかる方
向に回動して開けることにより、下ルーパの前部
が完全に開放される。
As mentioned above, this invention is located in front of the lower pearl and obstructs the view when threading the lower looper.
Since only the fixed knife, or both the fixed knife and the movable knife, which can be an obstacle to threading work, are attached to the movable part of the bed frame, which is rotatably attached to the bed frame body, this By rotating and opening the bed frame movable part in a direction away from the lower looper, the front part of the lower looper is completely opened.

従つて下ルーパを直接目視しながら糸通しがで
き、作業者の指先がルーパに接近し易くなるので
糸通し作業がきわめて容易となり、栽縫準備に要
する時間が短縮できるという効果がある。
Therefore, threading can be carried out while directly viewing the lower looper, and since the operator's fingertips can easily approach the looper, the threading operation becomes extremely easy and the time required for preparation for sewing can be shortened.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明の第1の実施例を示す斜視
図、第2図は同上の可動部を開いた状態の斜視
図、第3図は可動部の後部を示す一部縦断後面
図、第4図は可動メスの駆動機構を示す側面図、
第5図は第2の実施例を示す斜視図、第6図は同
上の可動部を開いた状態の斜視図、第7図、第8
図は第2の実施例に用いている可動メスの取付部
の各状態の拡大平面図、第9図、第10図はそれ
ぞれ従来例を示す斜視図、第11図は下ルーパの
一部切欠拡大正面図である。 1……ベツドフレーム、5……固定メス、11
……可動メス、32……下ルーパ、45……可動
部。
FIG. 1 is a perspective view showing a first embodiment of the present invention, FIG. 2 is a perspective view of the same movable part in an open state, FIG. 3 is a partially longitudinal rear view showing the rear part of the movable part, and FIG. Figure 4 is a side view showing the drive mechanism of the movable scalpel;
FIG. 5 is a perspective view showing the second embodiment, FIG. 6 is a perspective view of the same movable part as shown in FIG.
The figures are enlarged plan views of various states of the attachment part of the movable scalpel used in the second embodiment, Figures 9 and 10 are perspective views showing the conventional example, and Figure 11 is a partial cutaway of the lower looper. It is an enlarged front view. 1...Bed frame, 5...Fixed knife, 11
...Movable scalpel, 32...Lower looper, 45...Movable part.

Claims (1)

【特許請求の範囲】 1 ベツドフレーム本体に下ルーパを配し、その
前方に布はしを切り揃える固定メスと可動メスを
配置したオーバーロツクミシンにおいて、前記下
ルーパの前方にあつて、下ルーパへの糸通し作業
の障害となる少なくとも、固定メスおよび、この
固定メスが取付けられているベツドフレーム部分
を、前記ベツドフレーム本体とは別体に、かつ該
本体に回動自在に取付けられるベツドフレーム可
動部とし、この可動部を下ルーパから遠ざかる方
向へ退避させて、前記下ルーパの前方を開放状態
となし得るように構成したオーバーロツクミシ
ン。 2 前記ベツドフレーム可動部にはこの可動部を
回動してベツドフレーム本体に閉じたとき、この
本体のベツド面と略々同一のベツド面を構成する
ベツド面が形成されていることを特徴とする特許
請求範囲第1項に記載のオーバーロツクミシン。 3 前記ベツドフレーム可動部には、この可動部
を回動してベツドフレーム本体に閉じたとき、こ
の本体の駆動軸に連結されミシンの駆動により作
動する駆動レバーと係合して昇降する可動メス機
構を有することを特徴とする特許請求範囲第1項
記載のオーバーロツクミシン。 4 前記ベツドフレーム可動部は、その左方でベ
ツドフレーム本体に回動自在に軸着される特許請
求範囲第1項に記載のオーバーロツクミシン。 5 前記ベツドフレーム可動部はベツドフレーム
本体に向かつて閉じられたとき、ベツドフレーム
本体に固着された係止片に係合するフツクと、該
可動部とベツドフレーム本体との係合状態を解く
解除用操作ツマミとを有することを特徴とする特
許請求範囲第1項記載のオーバーロツクミシン。
[Scope of Claims] 1. In an overlock sewing machine in which a lower looper is disposed on a bed frame main body, and a fixed knife and a movable knife for trimming cloth choppers are arranged in front of the lower looper, the lower looper is located in front of the lower looper. A bed frame in which at least a fixed knife and a part of the bed frame to which the fixed knife is attached, which is an obstacle to the threading operation, are rotatably attached to the bed frame body separately from the bed frame body. An overlock sewing machine having a movable part and configured such that the movable part can be retracted in a direction away from a lower looper to open the front of the lower looper. 2. The bed frame movable part is provided with a bed surface that is substantially the same as the bed surface of the bed frame body when the movable part is rotated and closed to the bed frame body. An overlock sewing machine according to claim 1. 3. The bed frame movable part has a movable knife that moves up and down by engaging with a drive lever connected to the drive shaft of the main body and activated by the drive of the sewing machine when the movable part is rotated and closed to the bed frame main body. An overlock sewing machine according to claim 1, characterized in that the overlock sewing machine has a mechanism. 4. The overlock sewing machine according to claim 1, wherein the bed frame movable part is rotatably pivoted to the bed frame main body on the left side thereof. 5. When the bed frame movable part is closed toward the bed frame main body, a hook that engages with a locking piece fixed to the bed frame main body, and a release button that disengages the movable part from the bed frame main body. 2. The overlock sewing machine according to claim 1, further comprising an operation knob.
JP21808984A 1984-10-16 1984-10-16 Overlock sewing machine Granted JPS6194680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21808984A JPS6194680A (en) 1984-10-16 1984-10-16 Overlock sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21808984A JPS6194680A (en) 1984-10-16 1984-10-16 Overlock sewing machine

Publications (2)

Publication Number Publication Date
JPS6194680A JPS6194680A (en) 1986-05-13
JPS6242635B2 true JPS6242635B2 (en) 1987-09-09

Family

ID=16714461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21808984A Granted JPS6194680A (en) 1984-10-16 1984-10-16 Overlock sewing machine

Country Status (1)

Country Link
JP (1) JPS6194680A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH036494U (en) * 1989-06-06 1991-01-22

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0616613Y2 (en) * 1986-03-31 1994-05-02 アイシン精機株式会社 Sewing machine threading simplification device
JPS62159869U (en) * 1986-03-31 1987-10-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH036494U (en) * 1989-06-06 1991-01-22

Also Published As

Publication number Publication date
JPS6194680A (en) 1986-05-13

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