JP2593097B2 - Cloth presser for overlock sewing machine - Google Patents
Cloth presser for overlock sewing machineInfo
- Publication number
- JP2593097B2 JP2593097B2 JP1296468A JP29646889A JP2593097B2 JP 2593097 B2 JP2593097 B2 JP 2593097B2 JP 1296468 A JP1296468 A JP 1296468A JP 29646889 A JP29646889 A JP 29646889A JP 2593097 B2 JP2593097 B2 JP 2593097B2
- Authority
- JP
- Japan
- Prior art keywords
- holder
- presser
- spring
- presser foot
- sewing machine
- 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 - Lifetime
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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） 本発明は、オーバーロックミシンの布押え装置に関す
る。Description: TECHNICAL FIELD The present invention relates to a presser foot device for an overlock sewing machine.
（従来の技術） 従来より使用されているオーバーロックミシンの布押
え装置について、添付第８図乃至第11図を参照して説明
する。第８図乃至第10図においては、ホールダと押え金
とを着脱自在となしたオーバーロックミシンの布押え装
置が開示されており、又第11図は、ホールダと押え金と
が着脱不能に結着されたオーバーロックミシンの布押え
装置が開示されている。（実開昭61−118579号公報参
照）。(Prior Art) A cloth presser of an overlock sewing machine which has been conventionally used will be described with reference to FIGS. 8 to 11. FIG. 8 to 10 disclose a presser foot device of an overlock sewing machine in which a holder and a presser foot are made detachable, and FIG. 11 shows that the holder and the presser foot are irremovably connected. A cloth presser for a worn overlock sewing machine is disclosed. (See JP-A-61-118579).
第１に着脱自在のオーバーロックミシンの布押え装置
は、ホールダ１の側面に設けた突子２にトーションばね
３を装着し、その一端部3aの基部をホールダ１の側面に
設けた支持用突子４で支持し、一方ホールダ１の下面に
設けた嵌合溝５を押え金６に横架するピン７に嵌合せし
め、前記トーションばね３の一端部3aの折曲部で押え金
６を上下動可能に弾圧してなる構成である。First, a detachable presser foot device of an overlock sewing machine has a torsion spring 3 mounted on a projection 2 provided on a side surface of a holder 1, and a supporting projection provided with a base of one end 3 a on the side surface of the holder 1. On the other hand, a fitting groove 5 provided on the lower surface of the holder 1 is fitted to a pin 7 laid on a presser foot 6, and the presser foot 6 is bent at a bent portion of one end 3 a of the torsion spring 3. It is configured to be resiliently pressed vertically.
次に別の着脱不能のオーバーロックミシンの布押え装
置は、第11図に図示のように、押え金ａは、ホールダｈ
に支軸ｂにより軸支され、ホールダｈの一側面にねじに
より装着したトーションばねｓの一端はホールダｈの前
面に巻着され、他端部はのびて、押え金ａの前方部を布
に向けて弾圧した構成である。Next, as shown in FIG. 11, another non-detachable overlock sewing machine presser foot is
One end of a torsion spring s which is supported by a support shaft b and is screwed to one side surface of a holder h is wound around the front surface of the holder h, the other end is extended, and the front portion of the presser foot a is attached to a cloth. It is a configuration that is oppressed toward.
更に別の従来例としては、押え金ホールダには、ミシ
ンの押え棒に嵌合する溝の下にくぼみを形成し、押え金
には、くぼみに沿って上方へのびる突片が形成され、こ
れらでねじりばねの収納凹部を形成する。ねじりばねは
両端部をすぼめて収納凹部に装着され、装着後は拡がっ
て、その一端部が押え金ホールダの側壁に、他端部が押
え金の突片６に係止し、これによって押え金が反時計方
向へ傾動する。すなわち、ねじりばねを押え金ホールダ
と押え金で形成した収納凹部に収納した構成である。As yet another conventional example, a depression is formed in a presser foot holder below a groove that fits into a presser bar of a sewing machine, and a protrusion that extends upward along the depression is formed in a presser foot. To form a recess for accommodating the torsion spring. The torsion spring is mounted in the storage recess with its both ends narrowed, and after being mounted, expands, and one end of the torsion spring is locked to the side wall of the presser foot holder, and the other end is locked to the protrusion 6 of the presser foot. Tilts counterclockwise. That is, the torsion spring is housed in a housing recess formed by the presser holder and the presser.
（発明が解決しようとする問題点） 前述の従来例においては、トーションばねの一端部
は、ホールダの後面（第10図）又はその前面（第11図）
に巻着されているから外部に露出している。従って押え
金装置をミシンの押え棒に取りつけて、その下面に縫成
すべき布地を押え、別に設けたルーパと縫い糸によりオ
ーバーロック縫いを形成する際又は縫い糸を通してミシ
ン針を取りつけた針棒の上下動により布地に縫い目を形
成する作業中に、縫い糸くずや布地のほつれ部がホール
ダに巻着したトーションばねの一端部にひっかかり、そ
のために作業能率に悪影響を与える等の欠陥があった。(Problems to be Solved by the Invention) In the conventional example described above, one end of the torsion spring is connected to the rear surface of the holder (FIG. 10) or the front surface thereof (FIG. 11).
Exposed to the outside. Therefore, the presser foot device is attached to the presser bar of the sewing machine, the fabric to be sewn is held on the lower surface of the presser bar, and when forming the overlock sewing with the separately provided looper and sewing thread, or when the needle bar on which the sewing machine needle is attached through the sewing thread, Therefore, during the operation of forming a seam on a fabric, there is a defect that sewing thread waste or a frayed portion of the fabric catches on one end of a torsion spring wound around a holder, thereby adversely affecting work efficiency.
又縫成する布地の厚さその他の情況に対応して、押え
金の布地に対する押圧力を変える必要があるときは、通
常弾発力の異なる別のトーションばねを予め取りつけた
布押え装置と取り変えねばならないので面倒である等の
問題点があった。Also, when it is necessary to change the pressing force of the presser foot to the fabric in accordance with the thickness of the fabric to be sewn or other circumstances, normally, use a fabric presser device to which another torsion spring having a different elasticity has been attached in advance. There was a problem that it had to be changed and it was troublesome.
特にねじりばねを押え金ホールダと押え金で形成した
くぼみ内に収納した構成では、製作上複雑な作業を必要
とするのみならず、ねじりばねを交換するのは一定の作
業を行うので、極めて面倒である。In particular, in the configuration in which the torsion spring is housed in the recess formed by the presser foot holder and the presser foot, not only requires complicated work in manufacturing, but also it requires a certain amount of work to replace the torsion spring, which is extremely troublesome. It is.
（問題点を解決するための手段並びに作用） そこで本発明は前記の問題点を解決することを目的と
するもので、第１に、布を押えるための押え金と、この
押え金を上下方向に揺動可能に支承するホールダと、こ
のホールダに対して上記押え金を下方に回動付勢するば
ねとを備えたオーバーロックミシンの布押え装置におい
て、前記ばねはコイル状のトーションばねをなし、その
一端側は押え金を弾圧する折曲部をなし、他端側は側方
に突出するフック状の湾曲部をなし、かつ、この湾曲部
を嵌着保持する貫通スリットを前記ホールダの側面に穿
設し、上記折曲部の弾圧反力によってホールダの側方に
ばねを保持してなることを特徴とし、第２に、布を押え
るための押え金と、この押え金を上下方向に揺動可能に
支承するホールダと、このホールダに対して上記押え金
を下方に回動付勢するばねとを備えたオーバーロックミ
シンの布押え装置において、前記ばねは板状をなし、そ
の一端側は押え金を弾圧すべく延出する脚部をなし、他
端側は側方に延出する頭部をなし、かつ、この頭部を嵌
着保持する貫通スリットを前記ホールダの側面に穿設
し、上記脚部の弾圧反力によってホールダの側方にばね
を保持してなることを特徴とするオーバーロックミシン
の布押え装置を構成した。(Means and Actions for Solving the Problems) Therefore, an object of the present invention is to solve the above-described problems. First, a presser foot for holding a cloth and a presser foot for vertically The presser foot of an overlock sewing machine includes a holder for swingably supporting the presser foot and a spring for urging the presser foot downwardly with respect to the holder, wherein the spring comprises a coil-shaped torsion spring. , One end of the holder has a bent portion for pressing the presser foot, the other end has a hook-shaped curved portion protruding sideward, and a through slit for fitting and holding the curved portion has a side surface of the holder. And a spring is held on the side of the holder by the repulsive reaction force of the bent portion. Second, a presser foot for pressing the cloth and the presser foot in the vertical direction A swingable holder and this hoe In a cloth presser device for an overlock sewing machine, comprising a spring for urging the presser foot downwardly against the rudder, the spring has a plate shape, and one end thereof extends to press the presser foot. A leg is formed, the other end forms a head extending laterally, and a through slit for fitting and holding the head is formed in a side surface of the holder, and a repulsive force of the leg is used. A cloth presser for an overlock sewing machine is characterized in that a spring is held on the side of the holder.
ホールダ側面の貫通スリットへのトーションばねの着
脱は容易に実施できるので、トーションばねを迅速に差
し変えることにより、トーションばねによる押え金への
弾圧力を変更し、布押え装置の布地への適宜な押圧力を
得ることが容易である。従って布地の情況に応じて押圧
力を変化させるためにその都度別の布押え装置を取り換
える必要はない。Since the torsion spring can be easily attached to and detached from the through slit on the side of the holder, the spring pressure on the presser foot by the torsion spring can be changed by quickly changing the torsion spring, and the cloth holding device can be appropriately attached to the fabric. It is easy to obtain the pressing force. Therefore, it is not necessary to replace another cloth presser every time in order to change the pressing force according to the condition of the cloth.
（実施例） 以下添付図面にもとづき、本発明の実施例を説明す
る。Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings.
第１図は押え金20とホールダ18とが着脱不能に結着し
たオーバーロックミシンの布押え装置である。ホールダ
18の脚部19を押え金20に横架したピン16に回動自在に嵌
着する。FIG. 1 shows a presser foot device of an overlock sewing machine in which a presser foot 20 and a holder 18 are irremovably connected. Holder
The legs 19 of 18 are rotatably fitted to the pins 16 laid on the presser foot 20.
本発明に用いられるトーションばね12は第２図
（Ａ），（Ｂ）に図示のように、一端部には押え金20の
上面を弾圧する折曲部12aを設け、他端部をフック状端
部14bを具えたほぼコ字状湾曲部14に形成するか又は湾
曲部14aを形成する。一方ホールダ18の側面に細長い貫
通スリット15を穿設する。トーションばね12をホールダ
18に装着する際には、第１図に向って、左方向よりトー
ションばね12のフック状端部14bを具えたコ字状湾曲部1
4又は湾曲部14aをホールダ18の貫通スリット15へ嵌挿す
る。コ字状湾曲部14は貫通スリット15へ嵌着した状態
で、そのコ字状湾曲部14のフック状端部14bは、第１図
に図示のように、嵌挿した側に突出する。従ってトーシ
ョンばね12はホールダ18に完全に係止される。As shown in FIGS. 2 (A) and 2 (B), the torsion spring 12 used in the present invention is provided with a bent portion 12a for pressing the upper surface of the presser foot 20 at one end and a hook-shaped end at the other end. It is formed in a substantially U-shaped curved portion 14 having an end portion 14b or forms a curved portion 14a. On the other hand, an elongated through slit 15 is formed in the side surface of the holder 18. Hold the torsion spring 12
1, the torsion spring 12 has a U-shaped curved portion 1 having a hook-shaped end portion 14b from the left.
4 or the curved portion 14a is inserted into the through slit 15 of the holder 18. In a state where the U-shaped curved portion 14 is fitted into the through slit 15, the hook-shaped end portion 14b of the U-shaped curved portion 14 projects toward the fitted side as shown in FIG. Therefore, the torsion spring 12 is completely locked by the holder 18.
一方トーションばね12の他端部12aは押え金20の上面
を弾圧する。この反力によってトーションばね12はホー
ルダ18の側方に保持される。押え装置使用中に、縫製す
る布地の性質や形状等に起因してトーションばね12の弾
圧力つまり押え金20の布地に対する押圧力の加減を要す
る場合には、所望の弾圧力を与えるトーションばね12を
前記貫通スリット15を利用して、容易に交換できる。On the other hand, the other end 12a of the torsion spring 12 presses the upper surface of the presser foot 20. The reaction force holds the torsion spring 12 to the side of the holder 18. If the elastic force of the torsion spring 12, that is, the pressing force of the presser foot 20 against the fabric needs to be increased or decreased due to the nature or shape of the fabric to be sewn while the presser device is being used, the torsion spring 12 that applies a desired elastic pressure is used. Can be easily replaced by using the through slit 15.
第４図は、ホールダ18と押え金20とが把手９を操作す
ることにより、把手９と孔Ｏを介して連結する係止部材
11（第７図）が押え金20に横架したピン16の下を移動し
ホールダ18の嵌合溝（図示せず）とピン16とを係着自在
となし、ホールダ18と押え金20とが着脱自在の布押え装
置である。この布押え装置にも同様なトーションばね12
と貫通スリット15を採用して、前述の実施例と同一の作
用、効果を得ることができる。FIG. 4 shows a locking member in which the holder 18 and the presser foot 20 are connected to the handle 9 via the hole O by operating the handle 9.
11 (FIG. 7) moves below the pin 16 laid horizontally on the presser foot 20 to make the fitting groove (not shown) of the holder 18 and the pin 16 freely engageable. Is a detachable cloth presser. This torsion spring 12
And the through slit 15, the same operation and effect as those of the above-described embodiment can be obtained.
次に本発明に係る第２の実施例を説明する。 Next, a second embodiment according to the present invention will be described.
第５図において、板ばね22に、やや巾広の頭部22aと
湾曲状係止脚部22bを形成する。頭部22aを段付形状とな
し、ホールダ18に穿設した貫通スリット15に挿入可能に
形成する。この板ばねは前述の第１実施例のトーション
ばね12の代りに採用したものである。板ばね22、段付巾
広頭部22aをホールダ18に穿設した貫通スリット15に着
脱自在に係着し、その係止脚部22bで押え金20を押圧す
る。この反力によって板ばね22はホールダ18の側方に保
持される。この構成の作用は前述の第１実施例のトーシ
ョンばね12を用いた場合と同様である。又この第６図の
第２実施例の場合も、ホールダ18と押え金20とを着脱自
在とした布押え装置に採用できることは勿論である。In FIG. 5, a slightly wider head 22a and a curved locking leg 22b are formed on a leaf spring 22. The head 22a has a stepped shape and is formed so as to be insertable into the through slit 15 formed in the holder 18. This leaf spring is employed in place of the torsion spring 12 of the first embodiment. The leaf spring 22 and the wide stepped head 22a are detachably engaged with the through slit 15 formed in the holder 18, and the presser foot 20 is pressed by the locking leg 22b. The leaf spring 22 is held on the side of the holder 18 by this reaction force. The operation of this configuration is the same as that when the torsion spring 12 of the first embodiment is used. Also in the case of the second embodiment shown in FIG. 6, it goes without saying that the present invention can be applied to a cloth presser in which the holder 18 and the presser foot 20 are detachable.
（効 果） 本発明においては、トーションばねの一端コ字状湾曲
部又は板ばねの段付巾広頭部を、ホールダに設けた貫通
スリットに着脱自在に係着するものであるから、所望の
トーションばね、板ばねを容易、迅速に差し換えること
により、押え金に対するトーションスプリングの弾圧力
を加減することができるから、使用する布地の情況に対
応して押え装置の布地に対する押圧力を容易に調整でき
る。(Effects) According to the present invention, the one-sided U-shaped curved portion of the torsion spring or the stepped wide head of the leaf spring is detachably engaged with the through slit provided in the holder. By easily and quickly replacing the torsion spring and leaf spring, the elastic force of the torsion spring against the presser foot can be adjusted, so that the pressing force of the presser against the fabric can be easily adjusted according to the situation of the fabric to be used. Can be adjusted.
又従来例のようにホールダ外周にトーションばねの端
部が巻着してないので、縫成作業中における糸くず等の
不用物がばねに引掛かり作業能率が阻害されるのを防止
できる等の効果がある。In addition, since the end of the torsion spring is not wound around the outer periphery of the holder as in the conventional example, it is possible to prevent unnecessary objects such as lint during the sewing operation from being caught on the spring and hindering the work efficiency. effective.
第１図は本発明の布押え装置の斜視図。 第２図（Ａ），（Ｂ）はそれぞれ第１図のトーションば
ねの側面図。 第３図は第１図のホールダを別の方向より見た斜視図。 第４図は着脱自在のホールダを具えた布押え装置の斜視
図。 第５図は本発明の別の実施例の板ばねの側面図。 第６図は板ばねを具えた布押え装置の第４図に対応する
斜視図。 第７図はホールダと押え金の着脱部材の側面図。 第８図は従来例のオーバーロックミシンの布押え装置の
斜視図。 第９図は第８図のホールダと押え金の分解斜視図。 第10図は第８図の底面図。 第11図は着脱自在でないホールダを具えた従来例の布押
え装置の斜視図。 12……トーションばね、12a……折曲端部、 14……コ字状湾曲部、14a……湾曲部、 15……貫通スリット、16……ピン、18……ホールダ、 19……脚部、20……押え金、22……板ばね、 22a……板ばね頭部、22b……板ばね係止脚部。FIG. 1 is a perspective view of a cloth presser of the present invention. FIGS. 2A and 2B are side views of the torsion spring of FIG. FIG. 3 is a perspective view of the holder of FIG. 1 viewed from another direction. FIG. 4 is a perspective view of a cloth presser provided with a removable holder. FIG. 5 is a side view of a leaf spring according to another embodiment of the present invention. FIG. 6 is a perspective view corresponding to FIG. 4 of the cloth presser provided with a leaf spring. FIG. 7 is a side view of a detachable member for the holder and the presser foot. FIG. 8 is a perspective view of a conventional presser foot device of an overlock sewing machine. FIG. 9 is an exploded perspective view of the holder and the presser shown in FIG. FIG. 10 is a bottom view of FIG. FIG. 11 is a perspective view of a conventional cloth presser provided with a non-detachable holder. 12 ... torsion spring, 12a ... bent end, 14 ... U-shaped curved part, 14a ... curved part, 15 ... through slit, 16 ... pin, 18 ... holder, 19 ... leg , 20 ... presser foot, 22 ... leaf spring, 22a ... leaf spring head, 22b ... leaf spring retaining leg.
Claims (2)
上下方向に揺動可能に支承するホールダと、このホール
ダに対して上記押え金を下方に回動付勢するばねとを備
えたオーバーロックミシンの布押え装置において、 前記ばねはコイル状のトーションばねをなし、その一端
側は押え金を弾圧する折曲部をなし、他端側は側方に突
出するフック状の湾曲部をなし、かつ、この湾曲部を嵌
着保持する貫通スリットを前記ホールダの側面に穿設
し、上記折曲部の弾圧反力によってホールダの側方にば
ねを保持してなることを特徴とするオーバーロックミシ
ンの布押え装置。1. A presser for holding a cloth, a holder for swingably supporting the presser in a vertical direction, and a spring for urging the presser downward against the holder. In the presser foot device for an overlock sewing machine, the spring is a coiled torsion spring, one end of which is a bent portion for pressing the presser foot, and the other end is a hook-shaped curved portion projecting sideways. And a through-slit for fitting and holding the curved portion is formed in a side surface of the holder, and a spring is held on a side of the holder by a repulsive reaction force of the bent portion. Cloth presser for overlock sewing machine.
上下方向に揺動可能に支承するホールダと、このホール
ダに対して上記押え金を下方に回動付勢するばねとを備
えたオーバーロックミシンの布押え装置において、 前記ばねは板状をなし、その一端側は押え金を弾圧すべ
く延出する脚部をなし、他端側は側方に延出する頭部を
なし、かつ、この頭部を嵌着保持する貫通スリットを前
記ホールダの側面に穿設し、上記脚部の弾圧反力によっ
てホールダの側方にばねを保持してなることを特徴とす
るオーバーロックミシンの布押え装置。2. A presser for holding a cloth, a holder for supporting the presser in a vertically oscillating manner, and a spring for urging the presser downward against the holder. In the presser foot device of an overlock sewing machine, the spring has a plate shape, one end of which has a leg extending to press the presser foot, and the other end has a head extending laterally. An overlock sewing machine characterized in that a through slit for fitting and holding the head is formed in a side surface of the holder, and a spring is held on a side of the holder by a repulsive reaction force of the leg portion. Cloth presser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1296468A JP2593097B2 (en) | 1989-11-15 | 1989-11-15 | Cloth presser for overlock sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1296468A JP2593097B2 (en) | 1989-11-15 | 1989-11-15 | Cloth presser for overlock sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03155894A JPH03155894A (en) | 1991-07-03 |
| JP2593097B2 true JP2593097B2 (en) | 1997-03-19 |
Family
ID=17833944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1296468A Expired - Lifetime JP2593097B2 (en) | 1989-11-15 | 1989-11-15 | Cloth presser for overlock sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2593097B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513588A (en) * | 1992-11-16 | 1996-05-07 | Yamato Mishin Seizo Kabushiki Kaisha | Overlock sewing machine and thread chain back-tacker therefor |
| JPH0652773U (en) * | 1992-12-28 | 1994-07-19 | 晃信精密機械株式会社 | Overlock sewing machine presser foot device |
| JP2008158248A (en) * | 2006-12-25 | 2008-07-10 | Sony Corp | Lens barrier device |
| CN104878523B (en) * | 2015-06-30 | 2017-06-09 | 拓卡奔马机电科技有限公司 | A kind of extraordinary presser feet for sewing trousers hook |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588473U (en) * | 1981-07-11 | 1983-01-20 | ジャガー株式会社 | Sewing machine presser foot device |
-
1989
- 1989-11-15 JP JP1296468A patent/JP2593097B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03155894A (en) | 1991-07-03 |
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