JPH0744312Y2 - Drop sewing tools for sewing machines - Google Patents
Drop sewing tools for sewing machinesInfo
- Publication number
- JPH0744312Y2 JPH0744312Y2 JP1993004847U JP484793U JPH0744312Y2 JP H0744312 Y2 JPH0744312 Y2 JP H0744312Y2 JP 1993004847 U JP1993004847 U JP 1993004847U JP 484793 U JP484793 U JP 484793U JP H0744312 Y2 JPH0744312 Y2 JP H0744312Y2
- Authority
- JP
- Japan
- Prior art keywords
- cloth
- folding
- folded
- sewn
- band
- 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
【０００１】[0001]
【産業上の利用分野】この考案は、下着類その他の衣類
において、布の裁断端辺の体裁を良くするために、布端
辺を帯状端布で包み込むように縫製する場合に使用され
るミシンの落し縫い用具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewing machine used in underwear and other clothing when the edges of the cloth are sewn so as to wrap it around the cloth in order to improve the appearance of the edges of the cloth. The drop stitching tools of.
【０００２】[0002]
【従来の技術】下着類その他の衣類の縫製においては、
縫製物における布片の裁断端辺の体裁を良くするため
に、布片の端辺部に細帯状の端布を縫着して端布で布片
端辺を包み込むようにする、いわゆる落し縫いが行なわ
れる。この落し縫いは、図６に示すように、本体布１に
帯状端布２を、互いの端辺を揃えて重ね合わせ、その端
辺に沿って地縫いし、本体布１に帯状端布２を縫い付け
た後、縫い目３で本体布１に対し帯状端布２を折り開
き、その帯状端布２を内側へ折り返してその折返し部４
で本体布１及び帯状端布２の両端辺を包み込むように
し、帯状端布２の端辺側をさらに内側へ折り込んで、本
体布１の表側（帯状端布２が重合されている側）から帯
状端布２の折開き部６の縁辺に沿ってその際をミシン縫
いし、地縫いされた縫い目３と平行な縫い目７で本体布
１と帯状端布の折込み部５とを縫い付けるようにして行
なわれる。2. Description of the Related Art In sewing underwear and other clothing,
In order to improve the appearance of the cut edges of a cloth piece in a sewn product, a strip-shaped edge cloth is sewn on the edge side of the cloth piece and the edge cloth is wrapped around the edge of the cloth piece. Done. As shown in FIG. 6, this drop stitch is performed by superposing the band-shaped end cloths 2 on the main body cloth 1 so that their end sides are aligned with each other, and ground stitching along the end sides. After the sewn on, the band-shaped end cloth 2 is unfolded from the main body cloth 1 at the seam 3, the band-shaped end cloth 2 is folded back inward, and the folded-back portion 4
So that both end sides of the main body cloth 1 and the band-shaped end cloth 2 are wrapped, and the end side of the band-shaped end cloth 2 is further folded inward, and from the front side of the main body cloth 1 (the side where the band-shaped end cloth 2 is superposed) A sewing machine is sewn along the edge of the folded open part 6 of the band-shaped end cloth 2 so that the main body cloth 1 and the folded part 5 of the band-shaped end cloth are sewn with the seam 3 which is parallel to the ground stitch. Will be performed.
【０００３】ところで、従来、落し縫いする場合は、図
７に示すように、予めアイロンがけにより帯状端布２の
端辺部付近に、折込み部５となる折畳み部５’を形成し
ておき、縫製に際しては作業者が手で、上記したように
帯状端布２を本体布１に対し縫い目３で折り開いた後本
体布１及び帯状端布２の両端辺を包み込むように折り返
しながら、本体布１の表側からミシン縫いして本体布１
に折込み部５を縫い付けるようにしている。そして、ミ
シン縫いする場合、図８に示すように、一般的な押え金
の布押え部を、針孔を通る線で布送り方向に沿って半分
に切断した形状に相当する形状の布押え部82を有し、そ
の布押え部82の片側側面に欠切状態の針孔84が形設され
た押え金80を使用し、図９に布送り方向に対し直交する
方向に切断した断面図を示すように、押え金80の布押え
部82の片側側面を、本体布１に対し縫い目３で折り開か
れた帯状端布２の折開き部６に当接させながら、本体布
１に帯状端布２が縫い付けられた被縫製物を前方へ送っ
て、ミシン針86により本体布１に帯状端布２の折込み部
５を縫着するようにしていた。By the way, conventionally, in the case of drop stitching, as shown in FIG. 7, a folding portion 5'which is to be a folding portion 5 is formed in advance in the vicinity of an edge portion of the band-shaped end cloth 2 by ironing, At the time of sewing, the operator manually folds the band-shaped end cloth 2 into the main body cloth 1 at the seam 3 as described above, and then folds back the main body cloth 1 and the band-shaped end cloth 2 so as to wrap around both ends of the main body cloth. Sewing the sewing machine from the front side of 1 and body cloth 1
The folding part 5 is sewn on. Then, in the case of sewing with a sewing machine, as shown in FIG. 8, a cloth pressing portion of a general presser foot is cut in half along a cloth feeding direction along a line passing through a needle hole. Using a presser foot 80 having 82 and a needle hole 84 in a cutout state formed on one side surface of the cloth pressing portion 82, FIG. 9 is a sectional view taken in a direction orthogonal to the cloth feeding direction. As shown, one side surface of the cloth presser portion 82 of the presser foot 80 is brought into contact with the folding opening portion 6 of the band-shaped end cloth 2 folded at the seam 3 with respect to the body cloth 1 while The sewn object to which the cloth 2 is sewn is sent forward, and the folding portion 5 of the band-shaped end cloth 2 is sewn to the main body cloth 1 by the sewing machine needle 86.
【０００４】[0004]
【考案が解決しようとする課題】上記したように、従来
の落し縫いの方法では、作業者が手で帯状端布２を本体
布１に対し両布端辺を包み込むように折り返しながら縫
製加工している。そして、縫製は、押え金80の布押え部
82の片側側面を帯状端布２の折開き部６に当接させなが
ら被縫製物を前方へ送り、本体布１の表側から行なうよ
うにしている。従って、落し縫いされた縫製物は、それ
を本体布１の表側から見ると、縫い目７が帯状端布２の
折開き部６の縁辺と平行に形成される。しかしながら、
作業者が手で帯状端布２を本体布１の裏側へ折り返しな
がら縫製しなければならないため、長い距離を一気に縫
うことができず、帯状端布２を少し折り返して短い距離
（通常２cm前後）だけ縫ってはミシンの駆動を止め、こ
の動作を何回も繰り返すことによって縫製を行なうよう
にしている。従って、縫製作業に時間がかかり、また、
作業者にとっても非常に面倒な作業となっており、その
作業には熟練を要していた。また、手作業で帯状端布２
を本体布１の裏側へ折り返しながら表側から縫製を行な
うため、帯状端布２の折返し量が一定にならず、縫製物
を裏側から見たときに、図10に示すように、帯状端布２
の折込み部５の縁辺と縫い目７とが平行にならずに折込
み部５の縁辺と縫い目７との間隔が不揃いになって、縫
製物の品質が一定しなかったり、図11に示すように、縫
い目７が帯状端布２の折込み部５から外れて、縫い直し
をしなければならなくなったりする、といった問題点が
あった。As described above, in the conventional drop stitching method, the operator sewes the band-shaped end cloth 2 by hand while folding it back so as to wrap both edges of the main cloth 1. ing. Then, sewing is performed with the presser foot of the presser foot 80.
The material to be sewn is sent forward while one side surface of 82 is brought into contact with the folded open portion 6 of the band-shaped end cloth 2, and is performed from the front side of the main body cloth 1. Therefore, when the drop-sewn sewn product is viewed from the front side of the main body cloth 1, the seam 7 is formed in parallel to the edge of the folded open portion 6 of the band-shaped end cloth 2. However,
Since the operator has to sew the band-shaped end cloth 2 to the back side of the main body cloth 1 by hand, it is not possible to sew a long distance at a stretch, and the band-shaped end cloth 2 is folded back a short distance (usually around 2 cm). After sewing, the sewing machine is stopped and the operation is repeated many times to perform sewing. Therefore, the sewing work takes time, and
It is also a very troublesome work for the operator, and it requires skill. In addition, the band-shaped end cloth 2
Since the sewing is performed from the front side while folding back the back side of the main body cloth 1, the folding amount of the band-shaped end cloth 2 is not constant, and when the sewn product is viewed from the back side, as shown in FIG.
The edges of the folds 5 and the seams 7 are not parallel to each other and the intervals between the edges of the folds 5 and the seams 7 are not uniform, and the quality of the sewn product is not constant, or as shown in FIG. There is a problem in that the seam 7 comes off the folded portion 5 of the band-shaped end cloth 2, and it becomes necessary to re-sew.
【０００５】また、従来は、縫製に先立ち、帯状端布２
の端辺部付近にアイロンがけして折込み部５となる折畳
み部５’を形成しておく必要があり、余分な手間と時間
とを要する、といった問題点があった。Conventionally, the band-shaped end cloth 2 is sewn prior to sewing.
There is a problem that it is necessary to form a folded portion 5 ′ which becomes the folded portion 5 by ironing in the vicinity of the edge portion, and extra labor and time are required.
【０００６】この考案は以上のような事情に鑑みてなさ
れたものであり、布送り動作に伴って被縫製物の帯状端
布に折返し部及び折込み部が自動的に形成され、かつ、
ミシン針による縫着に際して帯状端布の折開き部、折返
し部及び折込み部の各縁辺の位置がそれぞれ常に一定と
なるようにする落し縫い用具を提供することを技術的課
題とし、もって、落し縫い作業に要する時間の短縮化を
図るとともに縫製作業者の労力の軽減化を図り、かつ、
熟練を要することなく初心者でも容易に落し縫いを行な
えるようにし、さらに、縫製物の品質の向上及び一定化
を図ることを目的とするものである。The present invention has been made in view of the above circumstances, and the folded portion and the folded portion are automatically formed on the band-shaped end cloth of the sewn product according to the cloth feeding operation, and
When sewing with a sewing machine needle, it is a technical problem to provide a drop-sewing tool that allows the positions of the edges of the band-shaped end cloth to be folded, folded, and folded to be always constant. In addition to shortening the time required for work, the labor of the sewing manufacturer is reduced, and
It is an object of the present invention to enable even a beginner to easily perform drop sewing without requiring skill, and further to improve and stabilize the quality of the sewn product.
【０００７】[0007]
【課題を解決するための手段】この考案では、本体布に
帯状端布が互いの端辺を揃えて重ね合わされその端辺に
沿って地縫いされその縫い目で帯状端布が本体布に対し
折り開かれた被縫製物を布送り方向へ案内しながら、そ
の被縫製物の帯状端布に折返し部及び折込み部を形成す
る布案内具を新規に考案するとともに、従来の針板及び
押え金の構成に改良を加え、これら布案内具と針板及び
押え金とによってミシンの落し縫い用具を構成した。ま
ず、布案内具は、被縫製物の本体布の部分が置かれその
本体布部分を布送り方向へ案内する本体布案内面と、被
縫製物の帯状端布の折開き部に当接してその位置を規制
する折開き部規制板と、被縫製物の、縫い目で折り開か
れた帯状端布を内側へ折り返して帯状端布に折返し部を
形成するように帯状端布を案内する折返し案内面と、こ
の折返し案内面に連接して形設され、被縫製物の帯状端
布の前記折返し部を、前記折開き部規制板に対し折返し
案内面とは反対側の位置においてさらに内側へ折り込ん
で折返し部に折込み部を形成するように帯状端布を案内
する折込み案内面とを備えている。そして、針板は、布
案内具の布送り方向前方に配設され、この針板には、布
案内具に通されて帯状端布に折返し部及び折込み部が形
成された被縫製物の、前記折込み部に当接してその位置
を規制する折込み部規制片が上面から突出するように形
設されているとともに、その折込み部規制片の近傍の、
布送り方向に対し折込み部規制片の右側の位置に針孔が
穿設されている。前記折込み部規制片は、針板上面から
没入可能に弾発的に設けられる。また、押え金には、そ
の布押え部に、被縫製物の帯状端布の折開き部に当接し
てその位置を規制する折開き部規制片と帯状端布の折返
し部に当接してその位置を規制する折返し部規制片と
が、互いに平行にかつ布送り方向に沿って一体に形設さ
れている。前記押え部は、布送り方向に対し直交する方
向に並設された左右一対の布押えブロックから構成さ
れ、その各布押えブロックを本体部にそれぞれ上下動自
在に弾発的に支持するとともに、布送り方向に対し右側
の布押えブロックの両側面に前記折開き部規制片及び前
記折返し部規制片が固着される。 According to the present invention, band-shaped end cloths are superposed on a main body cloth with their end sides aligned with each other, ground stitched along the end sides, and the band-shaped end cloth is folded to the main body cloth at the seams. While newly guiding the opened work to be fed in the cloth feeding direction, a new cloth guide tool for forming the folded portion and the folded portion on the band-shaped end cloth of the work is devised, and the conventional needle plate and presser foot By making improvements to the construction, a drop sewing machine for a sewing machine was constructed by the cloth guide, the needle plate and the presser foot. First, the cloth guide tool contacts the main body cloth guide surface on which the main body cloth portion of the article to be sewn is placed and which guides the main body cloth section in the cloth feeding direction, and the folding opening portion of the band-shaped end cloth of the article to be sewn. A folding opening regulation plate that regulates the position and a folding guide that guides the belt-shaped end cloth so that the belt-shaped end cloth of the workpiece is folded back to the inside and a folded portion is formed on the belt-shaped end cloth. Surface and the folding guide surface, and the folding portion of the band-shaped end cloth of the workpiece is further folded inward at a position opposite to the folding guide plate with respect to the folding opening regulating plate. And a folding guide surface for guiding the band-shaped end cloth so as to form a folded portion at the folded portion. Then, the needle plate is disposed in front of the cloth feed tool in the cloth feed direction, and the needle plate is sewn on by the cloth guide tool, in which the folded portion and the folded portion are formed in the band-shaped end cloth, A folding part regulating piece that contacts the folding part and regulates its position is formed so as to project from the upper surface, and in the vicinity of the folding part regulating piece,
A needle hole is formed at a position on the right side of the folding portion regulation piece with respect to the cloth feeding direction. From the upper surface of the throat plate,
Immersive and elastically provided. In addition, the presser foot is brought into contact with the folding part of the band-shaped end cloth of the article to be sewn to the cloth pressing part and the folded-back part of the band-shaped end cloth and the folded-back part of the band-shaped end cloth. The folded-back portion restricting piece for restricting the position is integrally formed parallel to each other and along the cloth feeding direction. The presser part is orthogonal to the cloth feed direction.
Consists of a pair of right and left presser foot blocks arranged side by side
Each of the work clamp blocks to the main body
While supporting elastically in place, right side with respect to the cloth feeding direction
On both sides of the work clamp block
The folded-back portion regulation piece is fixed.
【０００８】[0008]
【０００９】[0009]
【作用】上記構成の落し縫い用具では、ミシンベッド上
における縫製位置の手前側に固定された布案内具へ被縫
製物が送り込まれ、本体布案内面上に本体布の部分が置
かれるとともに本体布に対し帯状端布が縫い目で折り開
かれた状態で被縫製物が前方へ送られると、被縫製物の
帯状端布の折開き部が折開き部規制板に当接することに
より、布送り方向に対し直交する方向における折開き部
の位置が規制されつつ、縫い目で折り開かれた帯状端布
が折返し案内面で案内されて内側へ折り返され、帯状端
布に折返し部が形成されるとともに、その帯状端布の折
返し部が折込み案内面で案内されて、折開き部規制板に
対し折返し案内面とは反対側の位置においてさらに内側
へ折り込まれ、折返し部に折込み部が形成される。そし
て、帯状端布に折開き部、折返し部及び折込み部が形成
されて被縫製物が布案内具の前端側から送り出され針板
上へ送られると、折込み部は針板上面から突出した折込
み部規制片に当接して布送り方向に対し直交する方向に
おける位置が規制されるとともに、針板上方に設けられ
た押え金が降ろされることにより、折開き部及び折返し
部は、押え金の布押え部の、布送り方向に対し右側の布
押えブロックの両側面の折開き部規制片及び折返し部規
制片にそれぞれ当接して布送り方向に対し直交する方向
におけるそれぞれの位置が規制される。このとき、針板
の折込み部規制片は、針板上面から没入可能に弾発的に
設けられているため、押え金の下降時に押え金に押圧さ
れて針板上面から没入するので、折込み部規制片が縫い
動作の邪魔になることはない。また、押え金の布押え部
は、本体部にそれぞれ上下動自在に弾発的に支持された
左右一対の布押えブロックから構成され、布送り方向に
対し右側の布押えブロックの両側面に折開き部規制片及
び折返し部規制片が固着されているため、被縫製物の、
布送り方向に対し折開き部規制片の右側（帯状端布の折
開き部及び折返し部が形成された側）とその左側とで段
差があっても、被縫製物は、その左右両側が左右の布押
えブロックにより個別に弾発的に針板上面側へ押し付け
られるので、押え金の押え部と針板との間に確実に挾持
されて、ミシン縫い時に位置ずれして縫い動作に支障が
出るといったことはない。そして、針板面の折込み部規
制片近傍の、布送り方向に対し折込み部規制片の右側の
位置に形成された針孔を通してミシン針が上下方向に運
動することにより、帯状端布の折開き部の縁辺に沿って
その際がミシン縫いされ、地縫いされた縫い目と平行な
縫い目で本体布と帯状端布の折込み部とが縫い付けられ
る。In the drop stitching tool of the above construction, the material to be sewn is fed into the cloth guide tool fixed to the front side of the sewing position on the sewing machine bed, and the main body cloth portion is placed on the main body cloth guide surface and the main body If the material to be sewn is fed forward with the band-shaped end cloth folded open at the seams, the folding part of the band-shaped end cloth of the material to be sewn contacts the folding opening regulation plate, and While the position of the folding opening in the direction orthogonal to the direction is regulated, the band-shaped end cloth folded by the seam is guided by the folding-back guide surface and folded back inward, and the folding section is formed on the band-shaped end cloth. The folded-back portion of the band-shaped end cloth is guided by the folding guide surface and further folded inward at a position opposite to the folded-back guide surface with respect to the folding-opening portion regulation plate, and the folded portion is formed in the folded-back portion. Then, when the band-shaped end cloth is formed with a folding open portion, a folding back portion and a folding portion, and when the material to be sewn is sent out from the front end side of the cloth guiding tool and is fed onto the needle plate, the folding portion projects from the needle plate upper surface. Is provided above the needle plate while being in contact with the section regulating piece to regulate the position in the direction orthogonal to the cloth feeding direction.
Were by the presser foot is lowered, folded open portion and folded portion, of the presser foot portion of the presser foot, against the cloth feed direction right fabric
The positions of the presser block in the direction orthogonal to the cloth feeding direction are regulated by contacting the folded-opening portion regulation pieces and the folded-back portion regulation pieces on both sides of the pressing block . At this time, the needle plate
The folding part regulating piece of is elastically retractable so that it can be inserted from the top of the needle plate.
Since it is provided, the presser foot is not pressed when the presser foot is lowered.
Sewn in from the top surface of the throat plate, so the fold-down control piece is sewn
It does not interfere with the operation. In addition, the presser foot of the presser foot
Are elastically supported by the main body so that they can move up and down.
It consists of a pair of left and right presser foot blocks, and
On the other hand, on both sides of the right work clamp block
Since the folding back regulation piece is fixed,
Right side of the folding part regulating piece with respect to the cloth feeding direction (folding of the band-shaped end cloth
Step on the left side of the side where the opening and the folded part are formed)
Even if there is a difference, the left and right sides of the sewing
Blocks are individually and elastically pressed against the upper surface of the needle plate.
Is securely held between the presser foot and the needle plate.
May be misaligned during sewing and the sewing operation may be hindered.
There is no such thing as going out. Then, the sewing machine needle moves up and down through a needle hole formed on the right side of the folding part regulation piece in the vicinity of the folding part regulation piece of the needle plate surface with respect to the cloth feeding direction, whereby the band-shaped end cloth is unfolded. At that time, a sewing machine is sewn along the edges of the portion, and the main body cloth and the folded portion of the band-shaped end cloth are sewn together with the seams parallel to the ground seams.
【００１０】以上のように、この考案に係る落し縫い用
具を使用すると、被縫製物の送り動作に伴って被縫製物
の帯状端布に折返し部及び折込み部が自動的に形成され
る。そして、帯状端布に形成された折開き部、折返し部
及び折込み部の各縁辺の位置が、布送り方向に対し直交
する方向においてそれぞれ常に一定とされた状態で、ミ
シン針による縫着が行なわれる。従って、長い距離を一
気に縫うことができ、また、縫製物の裏側において縫い
目と帯状端布の折込み部の縁辺とが平行になってそれら
の間隔が一定になり、縫い目が帯状端布の折込み部から
外れるといったこともない。また、従来のように縫製に
先立って帯状端布の端辺部付近にアイロンがけして折込
み部となる折畳み部を形成しておいたりする必要も無く
なる。As described above, when the drop stitching tool according to the present invention is used, the folded-back portion and the folded portion are automatically formed in the band-shaped end cloth of the sewn article in accordance with the feeding operation of the sewn article. Then, sewing with the sewing machine needle is performed in a state where the positions of the edges of the folding open part, the folding part and the folding part formed in the band-shaped end cloth are always constant in the direction orthogonal to the cloth feeding direction. Be done. Therefore, it is possible to sew a long distance at a stretch, and on the back side of the sewn product, the seam and the edge of the folding part of the band-shaped end cloth are parallel to each other so that the distance between them is constant, and the seam is the folding part of the band-shaped end cloth. It doesn't get out of the way. Further, it is not necessary to iron a folded portion near the edge portion of the band-shaped end cloth to form a folded portion prior to sewing as in the conventional case.
【００１１】[0011]
【実施例】以下、この考案の好適な実施例について図面
を参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings.
【００１２】図１は、この考案の１実施例に係るミシン
の落し縫い用具の全体構成を示す斜視図である。この落
し縫い用具は、ミシンベッド上の、縫製位置の手前側に
固定される布案内具10と、この布案内具10の布送り方向
前方に配設される針板12及び押え金14とを組み合わせて
構成されている。FIG. 1 is a perspective view showing the overall construction of a drop stitching tool for a sewing machine according to an embodiment of the present invention. This drop stitching tool includes a cloth guide tool 10 fixed on the front side of the sewing position on the sewing machine bed, and a needle plate 12 and a presser foot 14 arranged forward of the cloth guide tool 10 in the cloth feeding direction. It is configured by combining.
【００１３】布案内具10は、それをミシンベッド上に固
着するための固定具16に連結された取付台板18に、本体
布案内板20、ラッパ管22、折開き部規制板24及び規制板
押上げ部材26を配設して構成されている。図２は、布案
内具10の要部を布送り方向における手前側から見た正面
図であり、図３は、布案内具10の一部を拡大して破断状
態で示す平面図である。本体布案内板20は、布送り方向
前方側へ緩やかに傾斜しており、その傾斜した上面が、
予め本体布に帯状端布を互いの端辺を揃えて重ね合わせ
その端辺に沿って地縫いしその縫い目で帯状端布を本体
布に対し折り開いた状態の被縫製物の本体布の部分が置
かれその本体布部分を布送り方向へ案内する本体布案内
面となる。ラッパ管22には、図４に部分拡大縦断面図を
示すように、被縫製物８の、縫い目３で折り開かれた帯
状端布２を内側へ折り返して帯状端布２に折返し部４を
形成するように帯状端布２を案内する折返し案内面28
と、被縫製物８の帯状端布２の折返し部４をさらに内側
へ折り込んで折返し部４に折込み部５を形成するように
帯状端布２を案内する折込み案内面30とが連続して形設
されている。折開き部規制板24は、可撓性を有する薄板
の先端部を鉤形に折り曲げて形成されており、その先端
部が、被縫製物８の帯状端布２の折開き部６に当接して
その位置を規制する折開き部規制面32となっている。ま
た、折開き部規制板24は、取付台板18に固着された取付
部材34に基端部が固定されている。規制板押上げ部材26
は、取付台板18にその上面に摺接しながら回動自在に取
着されており、押圧片36を指で押圧操作することによ
り、押上げ片38で折開き部規制板24を押し上げることが
できるようになっている。そして、ラッパ管22の前記折
込み案内面30は、折開き部規制板24の前記折開き部規制
面32に対し折返し案内面28とは反対側になるように形設
されている。The cloth guide tool 10 includes a main body cloth guide plate 20, a trumpet tube 22, a folding opening part restricting plate 24, and a restricting plate, which is connected to a fixing tool 16 for fixing the cloth guiding tool 10 on the sewing machine bed. A plate lifting member 26 is arranged. FIG. 2 is a front view of a main part of the cloth guide tool 10 as seen from the front side in the cloth feed direction, and FIG. 3 is a plan view showing a part of the cloth guide tool 10 in an enlarged state in a broken state. The main body cloth guide plate 20 is gently inclined forward in the cloth feeding direction, and the inclined upper surface is
The band-shaped end cloth is preliminarily laid on the main body cloth with their edges aligned, and the seams are sewn along the edges, and the band-shaped end cloth is folded open to the body cloth at the seams. Is placed and serves as a main body cloth guide surface for guiding the main body cloth portion in the cloth feed direction. As shown in the partially enlarged vertical sectional view of FIG. 4, in the wrapper tube 22, the band-shaped end cloth 2 of the sewing object 8 folded at the seam 3 is folded back inward and the folded-back portion 4 is attached to the band-shaped end cloth 2. Folding guide surface 28 for guiding the band-shaped end cloth 2 so as to form
And a folding guide surface 30 for guiding the band-shaped end cloth 2 so that the folded-back section 4 of the band-shaped end cloth 2 of the sewn object 8 is further folded inward to form the folding section 5 in the folded-back section 4. It is set up. The folding opening regulation plate 24 is formed by bending the tip end of a flexible thin plate into a hook shape, and the tip end contacts the folding opening 6 of the band-shaped end cloth 2 of the sewing target 8. It is a folded portion regulation surface 32 that regulates the position of the lever. Further, the folding opening regulating plate 24 has a base end portion fixed to a mounting member 34 fixed to the mounting base plate 18. Regulation plate lifting member 26
Is rotatably attached to the upper surface of the mounting base plate 18 while slidingly contacting the upper surface thereof, and by pressing the pressing piece 36 with a finger, the folding open part regulating plate 24 can be pushed up by the pushing up piece 38. You can do it. The folding guide surface 30 of the trumpet tube 22 is formed so as to be on the opposite side of the folding guide surface 28 with respect to the folding portion regulation surface 32 of the folding portion regulation plate 24.
【００１４】針板12には、図５に布送り方向における手
前側から見た正面図を示すように、布案内具10に通され
てその前端側から送り出される被縫製物８の帯状端布２
の折込み部５に当接してその位置を規制する折込み部規
制片40が、針板12上面から突出するように形設されてい
る。折込み部規制片40は、可撓性を有する薄板状鋼板42
の先端部に、それと直交するように一体に形成されてい
る。薄板状鋼板42は、針板12の下面側に形成された浅溝
（図示せず）内に、針板12下面に沿って配設されてお
り、その基端部が止め具44によって針板12に固着されて
いる。そして、折込み部規制片40は、針板12に布送り方
向に沿って形成されたスリット46を通して上下方向に移
動可能となっており、針板12上面から弾発的に没入可能
に設けられている。また、針板12の針孔48は、折込み部
規制片40の近傍の、布送り方向に対し折込み部規制片40
の右側の位置に穿設されている。As shown in the front view of the needle plate 12 as seen from the front side in the cloth feeding direction in FIG. 5, the band-shaped end cloth of the article to be sewn 8 which is passed through the cloth guide tool 10 and sent out from the front end side thereof. Two
A folding-portion restricting piece 40 that abuts on the folding portion 5 and restricts its position is formed so as to project from the upper surface of the needle plate 12. The folding-portion restricting piece 40 is a flexible thin steel plate 42.
Is integrally formed at the tip of the so as to be orthogonal to it. The thin plate steel plate 42 is arranged along the lower surface of the needle plate 12 in a shallow groove (not shown) formed on the lower surface side of the needle plate 12, and its proximal end portion is fixed by the stopper 44 to the needle plate 12. Sticked to 12. Further, the folding-portion restricting piece 40 is movable in the vertical direction through a slit 46 formed in the needle plate 12 along the cloth feeding direction, and is provided so as to be elastically retractable from the upper surface of the needle plate 12. There is. In addition, the needle hole 48 of the needle plate 12 is provided in the vicinity of the folding section regulating piece 40 with respect to the folding section regulating piece 40 in the cloth feeding direction.
Is drilled at the position on the right side of.
【００１５】また、押え金14は、布送り方向に対し直交
する方向に並設された左右一対の布押えブロック52、54
から布押え部50が構成されている。布押え部50の各布押
えブロック52、54は本体部56に、布押えブロック52、54
に形成された長孔58、60を本体部56に固着された支持棒
62に挿通することにより、上下動自在にそれぞれ支持さ
れている。また、布押え部50の各布押えブロック52、54
は、本体部56に圧縮コイルばね64、66を介して弾発的に
それぞれ保持されている。そして、布送り方向に対し右
側の布押えブロック54の両側面に、被縫製物８の帯状端
布２の折開き部６に当接してその位置を規制する折開き
部規制片68及び帯状端布２の折返し部４に当接してその
位置を規制する折返し部規制片70が固着されている。こ
れら折開き部規制片68と折返し部規制片70とは、互いに
平行にかつ布送り方向に沿って形設されている。押え金
14の針孔72は、両布押えブロック52、54のそれぞれの突
合せ側面に欠切状態で設けられている。The presser foot 14 is composed of a pair of right and left cloth presser blocks 52, 54 arranged in parallel in a direction orthogonal to the cloth feed direction.
The presser foot portion 50 is composed of. The presser foot blocks 52, 54 of the presser foot part 50 are attached to the main body portion 56, and the presser foot blocks 52, 54 are
Support rods with long holes 58 and 60 formed in
By being inserted into 62, they are respectively supported so as to be vertically movable. In addition, each of the presser foot blocks 52, 54 of the cloth presser section 50
Are elastically held by the main body 56 via compression coil springs 64 and 66, respectively. Then, on both side surfaces of the cloth presser block 54 on the right side with respect to the cloth feeding direction, the folding portion restricting piece 68 and the belt-shaped end portion which come into contact with the folding portion 6 of the belt-shaped end cloth 2 of the workpiece 8 and regulate the position thereof. A folded-back portion restricting piece 70 that is in contact with the folded-back portion 4 of the cloth 2 and regulates its position is fixed. The folding portion regulating piece 68 and the folded portion regulating piece 70 are formed parallel to each other and along the cloth feeding direction. Presser foot
The 14 needle holes 72 are provided in a cutout state on the abutting side surfaces of both cloth pressing blocks 52, 54.
【００１６】上記したように構成された落し縫い用具を
使用して被縫製物の落し縫いを行なうには、予め本体布
１に帯状端布２を互いの端辺を揃えて重ね合わせその端
辺に沿って地縫いして本体布１に帯状端布２が縫い付け
られた被縫製物８を布案内具10にセットする。これに
は、規制板押上げ部材26を操作して押上げ片38で折開き
部規制板24を押し上げてから、被縫製物８の帯状端布２
が本体布１に対し縫い目３で折り開かれた状態におい
て、本体布１を本体布案内板20上に載置するとともに、
帯状端布２をラッパ管22内に、その折返し案内面28及び
折込み案内面30に案内されながら挿入した後、折開き部
規制板24の折開き部規制面32が帯状端布２の折開き部６
に当接する状態で、規制板押上げ部材26の押上げ片38に
よる折開き部規制板24の押上げを解除し、図４に示した
ような状態で被縫製物８を布案内具10にセットする。次
に、被縫製物８を前方側へ送り、図５に示すように、布
案内具10の前端側から送り出されて針板12上へ送られた
部分における帯状端布２の折込み部５を、針板14上面か
ら突出した折込み部規制片40に当接させ、布送り方向に
対し直交する方向における折込み部５の位置を規制する
とともに、押え金14を降ろして、帯状端布２の折開き部
６及び折返し部４を、押え金14の布押え部50の一方の布
押えブロック54の折開き部規制片68及び折返し部規制片
70にそれぞれ当接させ、布送り方向に対し直交する方向
における折開き部６及び折返し部４のそれぞれの位置を
規制する。以上のようにして被縫製物８をミシンベッド
上にセットした後、ミシンを駆動させ、被縫製物８を前
方へ送りながらミシン縫いすると、被縫製物８の帯状端
布２に折返し部４及び折込み部５が自動的に形成されつ
つ、帯状端布２の折開き部６の縁辺に沿ってその際が縫
着され、図６に示すように地縫いされた縫い目３と平行
な縫い目７で本体布１と帯状端布２の折込み部５とが縫
い付けられる。In order to perform drop-sewing of a material to be sewn using the drop-sewing tool configured as described above, the band-shaped end cloths 2 are preliminarily superposed on the main body cloth 1 with their end sides aligned with each other. The cloth 8 is sewn along with the main cloth 1 and the band-shaped end cloth 2 is sewn to the main body cloth 1, and the sewing object 8 is set in the cloth guide 10. To this end, the regulation plate pushing-up member 26 is operated to push up the folding-portion regulation plate 24 with the pushing-up piece 38, and then the band-shaped end cloth 2 of the workpiece 8 is sewn.
With the main body cloth 1 folded on the main body cloth 1 at the seams 3, the main body cloth 1 is placed on the main body cloth guide plate 20, and
After the strip-shaped end cloth 2 is inserted into the trumpet tube 22 while being guided by the folding guide surface 28 and the folding guide surface 30, the folding part regulation surface 32 of the folding part regulation plate 24 is folded and folded. Part 6
In a state of contacting with, the pushing-up piece 38 of the regulating-plate pushing-up member 26 releases the pushing-up of the folding-portion restricting plate 24, and the workpiece 8 is attached to the cloth guide 10 in the state shown in FIG. set. Next, the sewn object 8 is fed to the front side, and as shown in FIG. 5, the folded portion 5 of the band-shaped end cloth 2 at the portion fed from the front end side of the cloth guide tool 10 and fed to the needle plate 12. , The fold part regulation piece 40 projecting from the upper surface of the needle plate 14 is contacted to regulate the position of the fold part 5 in the direction orthogonal to the cloth feeding direction, and the presser foot 14 is lowered to fold the band-shaped end cloth 2. The opening portion 6 and the folded-back portion 4 are connected to the folding-opening portion restricting piece 68 and the folded-back portion restricting piece 68 of one of the cloth pressing block 54 of the presser foot 50.
Each of them is brought into contact with 70 to regulate the respective positions of the folding opening portion 6 and the folding portion 4 in the direction orthogonal to the cloth feeding direction. After the sewing object 8 is set on the sewing machine bed as described above, when the sewing machine is sewn while the sewing machine 8 is driven forward, the belt-shaped end cloth 2 of the sewing object 8 and the folded portion 4 and While the folding portion 5 is automatically formed, the edge portion of the band-shaped end cloth 2 is sewn along the edge of the folding portion 6, and as shown in FIG. The main body cloth 1 and the folded portion 5 of the band-shaped end cloth 2 are sewn together.
【００１８】[0018]
【考案の効果】この考案は以上説明したように構成され
かつ作用するので、この考案に係る落し縫い用具を使用
すれば、落し縫い作業に要する時間が短縮化されるとと
もに、縫製作業者の労力の軽減化が達成され、かつ、作
業者の熟練度の如何を問わず初心者でも容易に落し縫い
を行なうことができ、また、縫製物の品質が向上すると
ともに品質の一定化が図られ、さらに、従来のように縫
い直しを要するといった事態も無くなる。Since the present invention is constructed and operates as described above, the use of the drop stitching tool according to the present invention shortens the time required for drop stitching work and requires the labor of the sewing manufacturer. Has been achieved, and even beginners can easily perform drop stitches regardless of the skill level of the operator. Moreover, the quality of the sewn product is improved and the quality is kept constant. The situation of requiring re-sewing as in the past is eliminated.
【図１】この考案の１実施例に係るミシンの落し縫い用
具の全体構成を示す斜視図である。FIG. 1 is a perspective view showing an overall structure of a drop-off sewing tool of a sewing machine according to an embodiment of the present invention.
【図２】この落し縫い用具を構成する布案内具の要部を
布送り方向における手前側から見た正面図である。FIG. 2 is a front view of a main part of a cloth guide tool constituting the drop-sewing tool as seen from the front side in the cloth feed direction.
【図３】同じく布案内具の一部を拡大して破断状態で示
す平面図である。FIG. 3 is a plan view showing a part of the cloth guide in an enlarged manner and in a broken state.
【図４】布案内具に被縫製物がセットされた状態を示す
部分拡大縦断面図である。FIG. 4 is a partially enlarged vertical sectional view showing a state in which a material to be sewn is set on the cloth guide tool.
【図５】この落し縫い用具を構成する針板及び押え金を
布送り方向における手前側から見た正面図である。FIG. 5 is a front view of the needle plate and the presser foot that form the drop-sewing tool as seen from the front side in the cloth feed direction.
【図６】落し縫いされた縫製物の一部を示す斜視図であ
る。FIG. 6 is a perspective view showing a part of the sewn product that has been dropped and sewn.
【図７】従来の落し縫い方法における作業工程の一部を
説明するための斜視図である。FIG. 7 is a perspective view for explaining a part of a work process in the conventional drop stitching method.
【図８】従来の落し縫い方法において使用されている押
え金の１例を示す斜視図である。FIG. 8 is a perspective view showing an example of a presser foot used in a conventional drop stitching method.
【図９】従来の落し縫い方法を説明するための図であっ
て、押え金の一部と共に被縫製物を、布送り方向に対し
直交する方向に切断した状態で示す断面図である。FIG. 9 is a view for explaining a conventional drop stitching method, which is a cross-sectional view showing a part of a presser foot and a material to be sewn in a state cut in a direction orthogonal to a cloth feeding direction.
【図10】従来の落し縫い方法における問題点を説明する
ための図であって、落し縫いされた縫製物の一部を裏側
から見た斜視図である。FIG. 10 is a diagram for explaining a problem in the conventional drop stitching method, and is a perspective view of a part of the sewn item that has been drop stitched seen from the back side.
【図11】従来の落し縫い方法における問題点を説明する
ための図であって、落し縫いされた縫製物の一部を裏側
から見た斜視図である。FIG. 11 is a diagram for explaining a problem in the conventional drop stitching method, and is a perspective view of a part of the sewn item that has been drop stitched seen from the back side.
１ 本体布 ２ 帯状端布 ３ 地縫いされた縫い目 ４ 帯状端布の折返し部 ５ 帯状端布の折込み部 ６ 帯状端布の折開き部 ７ 落し縫いされた縫い目 ８ 被縫製物 10 布案内具 12 針板 14 押え金 20 本体布案内板 22 ラッパ管 24 折開き部規制板 28 折返し案内面 30 折込み案内面 32 折開き部規制面 40 折込み部規制片 42 薄板状鋼板 46 スリット 48 針板の針孔 50 布押え部 52、54 布押えブロック 56 押え金の本体部 58、60 長孔 62 支持棒 64、66 圧縮コイルばね 68 折開き部規制片 70 折返し部規制片 72 押え金の針孔 1 Body cloth 2 Band-shaped end cloth 3 Seams sewn in the ground 4 Folded part of the band-shaped end cloth 5 Folded part of the band-shaped end cloth 6 Fold-opening part of the band-shaped end cloth 7 Stitches sewn on 8 Material to be sewn 12 Needle plate 14 Presser foot 20 Body cloth guide plate 22 Wrapper tube 24 Folding part regulation plate 28 Folding guide surface 30 Folding guide surface 32 Folding part regulation surface 40 Folding part regulation piece 42 Thin plate steel plate 46 Slit 48 Needle hole of needle plate 50 Presser foot 52, 54 Presser foot block 56 Presser foot main body 58, 60 Long hole 62 Support rod 64, 66 Compression coil spring 68 Folding part restricting piece 70 Folding part restricting piece 72 Presser foot needle hole
Claims (1)
端辺を揃えて重ね合わされその端辺に沿って地縫いされ
その縫い目（３）で帯状端布（２）が本体布（１）に対
し折り開かれた被縫製物（８）の、前記本体布（１）の
部分が置かれその本体布部分を布送り方向へ案内する本
体布案内面（２０）、前記被縫製物（８）の帯状端布
（２）の折開き部（６）に当接してその位置を規制する
折開き部規制板（２４）、前記被縫製物（８）の、前記
縫い目（３）で折り開かれた帯状端布（２）を内側へ折
り返して帯状端布に折返し部（４）を形成するように帯
状端布（２）を案内する折返し案内面（２８）、及び、
この折返し案内面（２８）に連接して形設され、前記被
縫製物（８）の帯状端布（２）の前記折返し部（４）
を、前記折開き部規制板（２４）に対し折返し案内面
（２８）とは反対側の位置においてさらに内側へ折り込
んで折返し部（４）に折込み部（５）を形成するように
帯状端布（２）を案内する折込み案内面（３０）を備え
てなる布案内具（１０）と、 この布案内具（１０）の布送り方向前方に配設され、布
案内具（１０）に通されて帯状端布（２）に折返し部
（４）及び折込み部（５）が形成された被縫製物（８）
の、前記折込み部（５）に当接してその位置を規制する
折込み部規制片（４０）が上面から突出するように形設
されるとともに、その折込み部規制片（４０）の近傍
の、布送り方向に対し折込み部規制片の右側の位置に針
孔（４８）が穿設された針板（１２）と、 布押え部（５０）に、前記被縫製物（８）の帯状端布
（２）の前記折開き部（６）に当接してその位置を規制
する折開き部規制片（６８）と帯状端布（２）の前記折
返し部（４）に当接してその位置を規制する折返し部規
制片（７０）とが、互いに平行にかつ布送り方向に沿っ
て一体に形設された押え金（１４）とからなり、 前記針板（１２）の折込み部規制片（４０）を針板上面
から没入可能に弾発的に設けるとともに、 前記押え金（１４）の布押え部（５０）を布送り方向に
対し直交する方向に並設された左右一対の布押えブロッ
ク（５２）、（５４）から構成し、その各布押 えブロッ
ク（５２）、（５４）を本体部（５６）にそれぞれ上下
動自在に弾発的に支持するとともに、布送り方向に対し
右側の布押えブロック（５４）の両側面に前記折開き部
規制片（６８）及び前記折返し部規制片（７０）を固着
した ミシンの落し縫い用具。1. Body cloth(1)Banded end cloth(2)Are each other
The edges are aligned and overlapped, and the seams are sewn along the edges.
That seam(3)With banded end cloth(2)Is the body cloth(1)Against
Sewn item(8)Of the body cloth(1)of
A book that places a part and guides the body cloth part in the cloth feed direction
Body cloth guide surface(20), The sewn object(8)Banded end cloth
(2)Folding part(6)Abut on and regulate its position
Folding part regulation plate(24), The sewn object(8)Of the above
stitch(3)Band-shaped end cloth folded in(2)Fold inward
Fold back to the banded end cloth(4)To form a obi
End cloth(2)Return guide surface to guide(28),as well as,
This turn back guide surface(28)Is formed by connecting to the
Sewing(8)Banded end cloth(2)The folded portion of(4)
The folding plate regulating plate(24)For the return guide surface
(28)Fold inward at a position opposite to
And the folding part(4)Folded part(5)To form
Banded end cloth(2)Folding guide surface to guide(30)Equipped with
Cloth guide tool(10)When, This cloth guide(10)Is placed in front of the cloth feeding direction
Guide(10)Threaded on the end cloth(2)Turn back part
(4)And folding part(5)To be sewn(8)
Of the fold(5)Abut on and regulate its position
Folding part control piece(40)Shaped so that it projects from the top
And the folding part regulation piece(40)Near
Of the needle at the position on the right side of the folding section regulating piece with respect to the cloth feeding direction.
Hole(48)Needle plate with holes(12)When, Cloth retainer(50)The above-mentioned sewn object(8)Banded end cloth
(2)Of the folding section(6)Abuts on and regulates its position
Folding part regulation piece(68)And banded end cloth(2)Of the above
Return part(4)A folded-back section that abuts against the body and regulates its position
Control(70)And are parallel to each other and along the cloth feed direction
Presser foot integrally formed(14)And fromBecomes The fold-down portion restraining piece (40) of the throat plate (12) is attached to the throat plate upper surface.
It is installed elastically from the Align the presser foot (50) of the presser foot (14) in the cloth feed direction.
A pair of left and right cloth presser blocks that are arranged side by side in a direction orthogonal to each other.
(52) and (54), each of which E block
Put (52) and (54) up and down on the main body (56) respectively.
While supporting elastically and elastically,
The folding portion is provided on both side surfaces of the right work clamp block (54).
Fixing the regulation piece (68) and the folded-back portion regulation piece (70)
did Drop sewing tools for sewing machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993004847U JPH0744312Y2 (en) | 1993-01-21 | 1993-01-21 | Drop sewing tools for sewing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993004847U JPH0744312Y2 (en) | 1993-01-21 | 1993-01-21 | Drop sewing tools for sewing machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0655573U JPH0655573U (en) | 1994-08-02 |
| JPH0744312Y2 true JPH0744312Y2 (en) | 1995-10-11 |
Family
ID=11595079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993004847U Expired - Fee Related JPH0744312Y2 (en) | 1993-01-21 | 1993-01-21 | Drop sewing tools for sewing machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744312Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188575A (en) * | 1983-04-11 | 1984-10-25 | Hitachi Ltd | Analyzing device for life distribution |
-
1993
- 1993-01-21 JP JP1993004847U patent/JPH0744312Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0655573U (en) | 1994-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |