JP4932102B2 - Detachment device for sewing machine holder or embroidery presser - Google Patents

Detachment device for sewing machine holder or embroidery presser Download PDF

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Publication number
JP4932102B2
JP4932102B2 JP2001269554A JP2001269554A JP4932102B2 JP 4932102 B2 JP4932102 B2 JP 4932102B2 JP 2001269554 A JP2001269554 A JP 2001269554A JP 2001269554 A JP2001269554 A JP 2001269554A JP 4932102 B2 JP4932102 B2 JP 4932102B2
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JP
Japan
Prior art keywords
presser
embroidery
claw
holder
engaged
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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
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JP2001269554A
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Japanese (ja)
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JP2003071171A5 (en
JP2003071171A (en
Inventor
康郎 佐野
康弘 長内
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.)
Janome Sewing Machine Co Ltd
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Janome Sewing Machine Co Ltd
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Filing date
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Priority to JP2001269554A priority Critical patent/JP4932102B2/en
Publication of JP2003071171A publication Critical patent/JP2003071171A/en
Publication of JP2003071171A5 publication Critical patent/JP2003071171A5/ja
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Description

【0001】
【発明の属する技術分野】
本発明は、押さえ棒に対して押さえホルダー及び刺しゅう押さえをワンタッチで着脱可能として簡易に操作できるミシンの押さえホルダー又は刺しゅう押さえの着脱装置に関する。
【0002】
【従来の技術】
従来技術では、普通縫いと刺しゅう縫いとを行う場合には、その都度、締めネジにより押さえホルダー及び刺しゅう押さえの着脱を行っていた。そのため、押さえホルダー及び刺しゅう押さえの着脱には締めネジを締めたり緩めたりしなければならなかった。
【0003】
また、特開平12−12953号においても、押さえの着脱はネジ部材の締付け,緩めにより行っている。さらに、実公昭44−16612号では、作動杆の揺動によって押さえを着脱可能に構成している。
【0004】
【発明が解決しようとする課題】
ところで、普通縫いの場合と、刺しゅう縫いの場合には、押さえホルダーと刺しゅう押さえとを変換する必要があった。この場合、止めネジを緩めたり、締めたり、或いは作動杆を揺動させて、取り替えていたが、これは操作が迅速にできない欠点もあり、もっと簡易にできることが要望されていた。
【0005】
【課題を解決するための手段】
そこで、発明者は上記課題を解決すべく鋭意,研究を重ねた結果、本発明を、下端に切欠き面を形成し、該切欠き面の上端に切欠きが漸次消滅する段状部を形成した押さえ棒と、被係合爪付き可動部を可動可能に内蔵し、前記押さえ棒の下端寄りに挿入固定された装着部と、切欠き面に当接しながら押さえ棒の下端に挿入される孔部を具え、押さえホルダー又は刺しゅう押さえの上部に前記被係合爪と係合可能な係合爪を設けた着脱部とからなり、前記可動部は、前記被係合爪が常時突出するように弾性体にて弾発支持されるとともに、前記押さえ棒の段状部を含む切欠き面に対向するように装着部に収納され、押さえボタンに連動して弾性体に抗して可動とされており、被係合爪の下端面には係合を誘導するための手段が形成されているミシンの押さえホルダー又は刺しゅう押さえの着脱装置としたことにより、押さえホルダー又は刺しゅう押さえを針棒に装着したり、取り外すのに、その着脱部を上昇するように引き上げるという単純操作のみで装着でき、前記押さえボタンを押しながら前記押さえホルダー又は刺しゅう押さえを引き抜くように操作することのみで外すことができる。いわゆる着脱自在がワンタッチにてできるものである。
【0006】
また、押さえボタンは、常時は前記装着部の外側に突出して押圧可能に設けられていることにより、押さえボタンの操作が、より確実且つ迅速にできる。
【0007】
【発明の実施の形態】
以下、本発明の実施形態について図面に基づいて説明すると、図1(A)は本発明に押さえホルダー10及び着脱部12を装着した側面図で、図1(B)はその正面図である。図2(A)は本発明に、刺しゅう押さえ11と着脱部12とが一体化されたものを装着した側面図であり、図2(B)はその正面図である。その主要部は、押さえ棒1と装着体Aと押さえホルダー10又は刺しゅう押さえ11とで構成されている。前記押さえ棒1の下端の側面には、該押さえ棒1の断面を略直径の一部(例えば、3分の1程度)切欠かれた切欠き面1aが形成され、該切欠き面1aの上端は次第に切欠きが消滅するように弧状又は傾斜状をなした段状部1bが形成されている(図4参照)。
【0008】
前記装着体Aは、図3乃至図7に示すように、外形が略立方体状をなした装着部2と被係合爪4付き可動部5と弾性体6と押さえボタン8等から構成されている。装着体Aの構造は、図3,図4,図5等に示すように、前記装着部2の略中央に上下に貫通する孔部3が形成され、前記装着部2の内部収納部2aには、被係合爪4を有する可動部5が収納され、該被係合爪4付き可動部5は、コイル圧縮バネ等の弾性体6にて、前記被係合爪4が前記装着部2の外側に突出するように弾発支持されている。具体的には、前記弾性体6は、図5(A)に示すように、前記装着部2の内部収納部2aの一方の内壁と可動部5との間に介在され、常時外側に弾発するように設けられ、前記内部収納部2aの他方の内壁に当たって飛び出さないように構成され、且つこの状態で前記被係合爪4のみが前記装着部2の下方の隅角凹部2bの垂直面から突出するように構成されている。
【0009】
前記被係合爪4の下端側は係合を誘導するための手段が形成されている。該誘導するための手段としては、先端に向かって上向き傾斜する斜面又は弧状面としての係合面4aが形成されている。また、前記装着部2の孔部3の下端側には、前記押さえ棒1の切欠き面1aが前記内部収納部2a及び可動部5側を向いて挿入可能に、前記孔部3の上側には、前記段状部1bが挿入可能にそれぞれ形成されている。この切欠き面1aの方向は、製作可能な範囲であればこの実施例に限定されない。
【0010】
また、前記可動部5には、軸部7の一端が固着され、該軸部7の他端は、図5(B)に示すように、前記装着部2の内部収納部2aとその外面との間に穿設された長孔2cを介して装着部2の外面に突出し、前記軸部7の他端にレバー状の押さえボタン8の一端が固着されている。該押さえボタン8の先端は、前記被係合爪4とは同一方向に存在し、前記押さえボタン8を押さえることで、被係合爪4付き可動部5は前記弾性体6に抗して可動し、前記被係合爪4が前記装着部2の隅角凹部2bの垂直面から引っ込むように構成されている。
【0011】
刺しゅう押さえ11は、下端側は布押さえをしたり、刺しゅう布を押さえたりするそれぞれの機能を有する部位であるが、その上部には、図2(A),(B),(C)に示すように、共通の立方体状の着脱部12が設けられている。或いは、着脱部12の下部には、図1(A),(B),(C)に示すように、押さえホルダー10が形成され、前記押さえ11が着脱自在となるような構造とすることもある。前記着脱部12の内部に孔部13が形成され該孔部13の一側には平坦面13aが形成されている。前記押さえ棒1の下端が前記押さえホルダー10又は刺しゅう押さえ11の孔部13に挿入されると、押さえ棒1の切欠き面1aと前記孔部13の平坦面13aとが一致して押さえ棒1の軸断面に対する位置決めが行われるように構成されている。また、前記着脱部12の平坦面13a箇所付近から立設する鉤状の係合爪14が設けられている。該係合爪14は前記被係合爪4に係合可能に構成されている。
【0012】
【作用】
まず、装着部2の孔部3を前記押さえ棒1の下端側に挿入し、該押さえ棒1の切欠き面1aが前記内部収納部2a及び可動部5側と対向し、前記孔部3の上側が前記段状部1bに合致するようにして前記装着部2が前記押さえ棒1に固定されている。その固定は、ビス等の固着具9にて行われ、前記押さえ棒1には前記固着具9と螺合するネジ孔1cが形成され、また装着部2には、固定用貫通孔2dが形成されている(図4参照)。
【0013】
そして、押さえホルダー10又は刺しゅう押さえ11を装着する作用では、押さえホルダー10又は刺しゅう押さえ11の着脱部12の平坦面13aと前記切欠き面1aとが合致するようにして前記着脱部12の孔部13を前記押さえ棒1の下端に挿入し、この状態で上側に僅かに移動して前記着脱部12に設けた係合爪14が前記被係合爪4に当接する[図6(A)参照]。さらに僅かに上昇させると、前記係合爪14の上端で前記被係合爪4の係合面4aを押圧して、被係合爪4及び可動部5を前記弾性体6に抗して可動させる[図6(B)参照]。さらに少し上昇させると、前記係合爪14の先端は前記被係合爪4の先端に到達する[図6(C)参照)。この直後に、被係合爪4先端と係合爪14先端との接触が外れて、可動部5及び被係合爪4は飛び出すようになって、該被係合爪4と係合爪14とが噛み合い状態となって係合(装着)する[図5(A)参照]。実際には、これら一連の作用は押さえホルダー10又は刺しゅう押さえ11を単に上昇させることのみのワンタッチの操作にて瞬時にできる。
【0014】
また、取り外しの作用では、前記押さえボタン8を図1(A)又は図2(A)において、p方向に押し込むことで、前記被係合爪4と係合爪14とが噛み合い状態の係合が解かれ[図7(A)参照]、この状態で、前記押さえホルダー10又は刺しゅう押さえ11の着脱部12を下側に引き抜くことで瞬時に、前記押さえ棒1から外すことができる[図7(B)参照]。
【0015】
【発明の効果】
請求項1乃至4の発明においては、ねじを締めたり緩めたりすることなく、押さえホルダー10又は刺しゅう押さえ11を押さえ棒1に押し込むだけで装着され、また、押さえボタン8をワンプッシュするだけで取り外しができる利点がある。
【0016】
特に、請求項3の発明では、前記被係合爪4の下端面は係合を誘導するための手段を形成することで、前記被係合爪4に係合爪14を係合するのにスムーズにできるし、請求項4の発明では、前記押さえボタン8は、常時は前記装着部2の外側に突出して押圧可能に設けられていることにより、前記押さえボタン8の操作が、より確実且つ迅速にできる利点がある。
【図面の簡単な説明】
【図1】(A)は本発明の側面図
(B)は本発明の正面図
(C)は押さえホルダー付き着脱部の側面図
【図2】(A)は本発明の側面図
(B)は本発明の正面図
(C)は刺しゅう押さえ付き着脱部の側面図
【図3】(A)は本発明の主要部材の一部切除した分解斜視図
(B)は(A)の係合状態を示す斜視図
【図4】本発明を分解した斜視図及び向きを変えた部材の仮想斜視図
【図5】(A)は本発明の係合状態を示す縦断側面図(B)は(A)のX−X矢視断面図
(C)は(A)のY−Y矢視断面図
【図6】(A)は着脱部の係合爪を装着部の被係合爪に係合せんとする縦断側面図
(B)は(A)よりも着脱部の係合爪が上昇した縦断側面図
(C)は(B)よりも着脱部の係合爪が上昇した縦断側面図
【図7】(A)は押さえボタンを押して着脱部を外さんとする縦断側面図
(B)は着脱部を外した状態の縦断側面図
【符号の説明】
1…押さえ
2…装着部
3…孔部
4…被係合爪
4a…係合面
5…可動部
6…弾性体
8…押さえボタン
10…押さえホルダー
11…刺しゅう押さえ
12…着脱部
13…孔部
13a…平坦面
14…係合爪
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to attachment apparatus for holding the holder or embroidery presser of the sewing machine that can be operated easily the presser holder and embroidery presser as detachable with one touch against the presser bar.
[0002]
[Prior art]
In the prior art, when performing normal sewing and embroidery sewing, the holding holder and the embroidery presser are attached and detached with a fastening screw each time. For this reason, it has been necessary to tighten or loosen the tightening screw to attach and detach the press holder and the embroidery presser.
[0003]
Also in Japanese Patent Laid-Open No. 12-12953, the presser is attached and detached by tightening or loosening a screw member. Furthermore, in Japanese Utility Model Publication No. 44-16612, the presser is detachable by swinging the operating rod.
[0004]
[Problems to be solved by the invention]
By the way, in the case of normal sewing and in the case of embroidery sewing, it is necessary to convert the press holder and the embroidery presser. In this case, the set screw was loosened, tightened, or the operating rod was swung to replace it. However, this had a drawback that the operation could not be performed quickly, and there was a demand for a simpler operation.
[0005]
[Means for Solving the Problems]
Therefore, as a result of intensive researches to solve the above problems, the inventor forms a notched surface at the lower end and forms a stepped portion where the notch gradually disappears at the upper end of the notched surface. And a mounting portion that is inserted and fixed near the lower end of the presser bar, and a hole that is inserted into the lower end of the presser bar while contacting the notch surface. And a removable part provided with an engaging claw capable of engaging with the engaged claw on the upper part of the press holder or the embroidery presser, and the movable part is configured so that the engaged claw always protrudes. It is elastically supported by the elastic body, and is housed in the mounting part so as to face the notch surface including the stepped part of the pressing bar, and is movable against the elastic body in conjunction with the pressing button. cage, seen in the lower end surface of the Hikakarigotsume the means for guiding engagement is formed By attaching the press holder or the embroidery presser to the needle bar, the presser holder or the embroidery presser can be attached to the needle bar or removed by a simple operation of raising the attaching / detaching part so as to be raised. It can be removed only by pulling out the presser holder or the embroidery presser while pressing the presser button. So-called detachable can be done with one touch.
[0006]
Further, the pressing button, by the normally provided to be pressed and protrudes to the outside of the mounting portion, the operation of pressing buttons, can be more reliably and quickly.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 (A) is a side view in which the press holder 10 and the detachable portion 12 are mounted on the present invention, and FIG. 1 (B) is a front view thereof. FIG. 2 (A) is a side view in which the embroidery presser 11 and the detachable part 12 are integrated into the present invention, and FIG. 2 (B) is a front view thereof. The main part is composed of a presser bar 1, a mounting body A, a presser holder 10 or an embroidery presser 11. Wherein the side surface of the lower end of the presser bar 1, the holding part a section bar 1 of substantially a diameter (e.g., about one-third) notched with notches surface 1a is formed, the upper end of the notch surface 1a The step portion 1b having an arc shape or an inclined shape is formed so that the notches are gradually disappeared (see FIG. 4).
[0008]
As shown in FIGS. 3 to 7, the mounting body A is composed of a mounting portion 2 whose outer shape is substantially cubic, a movable portion 5 with an engaged claw 4, an elastic body 6, a pressing button 8, and the like. Yes. As shown in FIGS. 3, 4, 5, etc., the mounting body A has a structure in which a hole 3 that penetrates up and down is formed substantially in the center of the mounting portion 2, and is formed in the internal storage portion 2 a of the mounting portion 2. Includes a movable portion 5 having an engaged claw 4, and the movable portion 5 with the engaged claw 4 is an elastic body 6 such as a coil compression spring, and the engaged claw 4 is attached to the mounting portion 2. The projectile is supported so as to protrude outward. Specifically, as shown in FIG. 5 (A), the elastic body 6 is interposed between one inner wall of the internal storage portion 2a of the mounting portion 2 and the movable portion 5 and constantly springs outward. And is configured so that it does not jump out by hitting the other inner wall of the internal storage portion 2a, and in this state, only the engaged claw 4 is from the vertical surface of the corner recess 2b below the mounting portion 2. It is comprised so that it may protrude.
[0009]
A means for inducing engagement is formed on the lower end side of the engaged claws 4. As the means for guiding, an engaging surface 4a as an inclined surface or an arcuate surface inclined upward toward the tip is formed. In addition, on the lower end side of the hole 3 of the mounting portion 2, a notch surface 1 a of the presser bar 1 can be inserted facing the inner storage portion 2 a and the movable portion 5, so as to be inserted above the hole 3. Are formed so that the stepped portion 1b can be inserted therein. The direction of the notch surface 1a is not limited to this embodiment as long as it can be manufactured.
[0010]
Further, one end of a shaft portion 7 is fixed to the movable portion 5, and the other end of the shaft portion 7 is connected to the inner storage portion 2 a of the mounting portion 2 and its outer surface as shown in FIG. One end of a lever-like pressing button 8 is fixed to the other end of the shaft portion 7 through a long hole 2c formed between the two. The tip of the pressing button 8 is in the same direction as the engaged claw 4, and the movable portion 5 with the engaged claw 4 is movable against the elastic body 6 by pressing the pressing button 8. The engaged claw 4 is configured to be retracted from the vertical surface of the corner recess 2 b of the mounting portion 2.
[0011]
The embroidery presser 11 is a part having the respective functions of pressing the cloth or pressing the embroidery cloth on the lower end side, and the upper part thereof is shown in FIGS. 2 (A), (B), (C). As described above, a common cubical attachment / detachment portion 12 is provided. Alternatively, as shown in FIGS. 1 (A), (B), and (C), a holding holder 10 is formed at the lower part of the attaching / detaching portion 12 so that the holding 11 can be attached and detached. is there. A hole 13 is formed inside the detachable part 12, and a flat surface 13 a is formed on one side of the hole 13. The pressing the lower end of the rod 1 is inserted into the hole 13 of the pressing holder 10 or embroidery presser 11, bar 1 presser and notched surface 1a of the presser bar 1 and the flat surface 13a of the hole 13 is coincident It is comprised so that positioning with respect to the axial cross section of may be performed. Further, a hook-like engaging claw 14 is provided standing from the vicinity of the flat surface 13a of the detachable portion 12. The engaging claw 14 is configured to be engageable with the engaged claw 4.
[0012]
[Action]
First, the attachment portion 2 a hole 3 is inserted into the lower end of the presser bar 1, the holding cutout surface 1a of the rod 1 is opposed to the inner housing portion 2a and the movable portion 5, of the hole 3 The mounting portion 2 is fixed to the presser bar 1 so that the upper side coincides with the stepped portion 1b. The fixing is performed by a fixing tool 9 such as a screw, the presser bar 1 is formed with a screw hole 1c screwed with the fixing tool 9, and the mounting portion 2 is formed with a fixing through hole 2d. (See FIG. 4).
[0013]
In the operation of attaching the press holder 10 or the embroidery presser 11, the flat surface 13a of the detachable portion 12 of the press holder 10 or the embroidery presser 11 and the notch surface 1a are aligned so that the hole of the detachable portion 12 is fitted. 13 is inserted into the lower end of the presser bar 1, and in this state, it moves slightly upward and the engaging claw 14 provided on the attaching / detaching portion 12 comes into contact with the engaged claw 4 [see FIG. 6 (A)]. ]. When further raised slightly, the upper end of the engaging claw 14 presses the engaging surface 4a of the engaged claw 4 to move the engaged claw 4 and the movable portion 5 against the elastic body 6. [Refer to FIG. 6B]. When further raised, the tip of the engaging claw 14 reaches the tip of the engaged claw 4 (see FIG. 6C). Immediately after this, the contact between the tip of the engaged claw 4 and the tip of the engaging claw 14 is released, and the movable portion 5 and the engaged claw 4 come out. Engage with each other (see FIG. 5A). Actually, a series of these actions can be instantaneously performed by a one-touch operation of merely raising the press holder 10 or the embroidery presser 11.
[0014]
Further, in the action of detachment, when the pressing button 8 is pushed in the p direction in FIG. 1A or FIG. 2A, the engaged claw 4 and the engaging claw 14 are engaged with each other. [Refer to FIG. 7 (A)], and in this state, the attaching / detaching part 12 of the press holder 10 or the embroidery presser 11 can be instantaneously removed from the presser bar 1 by pulling downward [FIG. 7]. (See (B)].
[0015]
【Effect of the invention】
According to the first to fourth aspects of the present invention, the press holder 10 or the embroidery presser 11 can be mounted by simply pushing the presser bar 1 into the presser bar 1 without tightening or loosening the screw, and the presser button 8 can be removed by one push. There is an advantage that can be.
[0016]
In particular, in the invention of claim 3, the lower end surface of the engaged claw 4 forms means for inducing engagement so that the engaging claw 14 is engaged with the engaged claw 4. In the invention of claim 4, the pressing button 8 is provided so as to protrude outward from the mounting portion 2 so that it can be pressed at all times. There is an advantage that can be done quickly.
[Brief description of the drawings]
1A is a side view of the present invention, FIG. 1B is a front view of the present invention, FIG. 2C is a side view of an attaching / detaching portion with a holding holder, and FIG. 2A is a side view of the present invention. Fig. 3C is a front view of the present invention (C) is a side view of an attaching / detaching portion with an embroidery presser. Fig. 3 (A) is an exploded perspective view of the main member of the present invention partially cut away. FIG. 4 is an exploded perspective view of the present invention and a virtual perspective view of a member whose direction is changed. FIG. 5A is a longitudinal sectional view showing an engaged state of the present invention. (C) is a cross-sectional view taken along the line Y-Y of (A). [Fig. 6] (A) is a diagram where the engaging claw of the attaching / detaching part is not engaged with the engaged claw of the mounting part. (B) is a vertical side view in which the engaging claw of the detachable portion is raised from (A), and (C) is a vertical side view in which the engaging claw of the detachable portion is raised from (B). ] (A) presses the press button Vertical sectional side view of the detachable portion and the outer's (B) longitudinal side view of a state disconnecting the detachable portion [Description of symbols]
1 ... presser bar 2 ... mounting part 3 ... hole 4 ... Hikakarigotsume 4a ... engaging surface 5 ... movable portion 6 ... elastic body 8 ... pressing button 10 ... retainer holder 11 ... embroidery presser 12 ... removable portion 13 ... hole Part 13a ... flat surface 14 ... engaging claw

Claims (2)

下端に切欠き面を形成し、該切欠き面の上端に切欠きが漸次消滅する段状部を形成した押さえ棒と、被係合爪付き可動部を可動可能に内蔵し、前記押さえ棒の下端寄りに挿入固定された装着部と、切欠き面に当接しながら押さえ棒の下端に挿入される孔部を具え、押さえホルダー又は刺しゅう押さえの上部に前記被係合爪と係合可能な係合爪を設けた着脱部とからなり、
前記可動部は、前記被係合爪が常時突出するように弾性体にて弾発支持されるとともに、前記押さえ棒の段状部を含む切欠き面に対向するように装着部に収納され、押さえボタンに連動して弾性体に抗して可動とされており、被係合爪の下端面には係合を誘導するための手段が形成されていることを特徴とするミシンの押さえホルダー又は刺しゅう押さえの着脱装置。
A notch surface is formed at the lower end, and a presser bar having a stepped portion where the notch gradually disappears at the upper end of the notch surface, and a movable part with an engaged claw are movably incorporated, An engagement portion that is inserted and fixed near the lower end, and a hole that is inserted into the lower end of the presser bar while abutting the notch surface. It consists of an attachment / detachment part with a claw,
The movable portion is elastically supported by an elastic body so that the engaged claw always protrudes, and is accommodated in a mounting portion so as to face a notch surface including a stepped portion of the presser bar, A sewing machine holding holder characterized in that it is movable against the elastic body in conjunction with the pressing button, and a means for inducing engagement is formed on the lower end surface of the engaged claw or Detachment device for embroidery presser.
押さえボタンは、常時は前記装着部の外側に突出して押圧可能に設けられてなることを特徴とする請求項1記載のミシンの押さえホルダー又は刺しゅう押さえの着脱装置。 2. The attaching / detaching device for a presser holder for a sewing machine or an embroidery presser according to claim 1, wherein the presser button is provided so as to protrude from the mounting portion and be pressed at all times .
JP2001269554A 2001-09-05 2001-09-05 Detachment device for sewing machine holder or embroidery presser Expired - Fee Related JP4932102B2 (en)

Priority Applications (1)

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