JPS6213585Y2 - - Google Patents
Info
- Publication number
- JPS6213585Y2 JPS6213585Y2 JP14402681U JP14402681U JPS6213585Y2 JP S6213585 Y2 JPS6213585 Y2 JP S6213585Y2 JP 14402681 U JP14402681 U JP 14402681U JP 14402681 U JP14402681 U JP 14402681U JP S6213585 Y2 JPS6213585 Y2 JP S6213585Y2
- Authority
- JP
- Japan
- Prior art keywords
- feed
- super
- cam
- dial
- follower
- 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
Links
- 238000009958 sewing Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 21
- 210000000078 claw Anatomy 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002079 cooperative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
【考案の詳細な説明】
（技術分野）
本考案は、ジグザグミシンにおけるスーパー送
りカム切換装置に係り、特に複数のスーパー送り
カムを内蔵し、かつスーパー送りと通常送りとの
選択切換えを送りダイヤルで行うジグザグミシン
において、送りダイヤルを操作することによつて
単一のスーパー送り用従動子に対して複数のスー
パー送りカムを軸方向に移動し、それぞれに対応
できるようにしたジグザグミシンにおけるスーパ
ー送りカム切換装置に関する。[Detailed Description of the Invention] (Technical Field) The present invention relates to a super feed cam switching device for a zigzag sewing machine, and in particular has a plurality of built-in super feed cams, and can switch between super feed and normal feed using a feed dial. A super feed cam in a zigzag sewing machine that allows multiple super feed cams to be moved in the axial direction relative to a single super feed follower by operating the feed dial, so that each can be handled individually. It relates to a switching device.
（従来技術）
従来、複数のスーパー送りカムを内蔵したジグ
ザグミシンにおいて、単一の従動子を前記スーパ
ー送りカムに択一的に係合させる方法としては、
従動子を移動させる方法が一般に多く採用されて
いる。しかしこのような方法では、スーパー送り
カムの回転中心に対する従動子の揺動中心の座標
が変動しやすく、この変動があると適正なスーパ
ー送りが得られず、スーパー縫模様が見苦しくな
る。もしこの変動を少なくしようとすれば、構成
部品の精度を高くする必要があるため必然的に部
品単価が高くなつたり、また組立時に細心の注意
をはらう必要が生ずるため工数が増大したりし
て、ミシン頭部のコスト高の要因となつていた。(Prior Art) Conventionally, in a zigzag sewing machine incorporating a plurality of super feed cams, a method for selectively engaging a single follower with the super feed cam is as follows.
Many methods are generally used to move the follower. However, in such a method, the coordinates of the swing center of the follower with respect to the rotation center of the super feed cam are likely to fluctuate, and when this variation occurs, proper super feed cannot be obtained and the super sewing pattern becomes unsightly. If we try to reduce this variation, the precision of the component parts must be made higher, which inevitably increases the unit price of the parts, and the need to be extremely careful during assembly increases the number of man-hours. This was a factor in the high cost of sewing machine heads.
また上記ジグザグミシンにおいて、スーパー送
りと通常送りとの選択切換えを送りダイヤルで行
つているものもあるが、複数のスーパー送りカム
を各別に選択する場合は、模様選択ダイヤル等他
の操作部材を操作しないと、選択できず使用者に
とつて不便であるという欠点があつた。 In addition, some of the above zigzag sewing machines use a feed dial to select between super feed and normal feed, but if you want to select multiple super feed cams individually, use other operating members such as the pattern selection dial. Otherwise, there is a drawback that it is inconvenient for the user because the user cannot select the desired option.
（目的）
本考案は、上記のような欠点を除去するために
なされたものであつて、その目的とするところ
は、複数のスーパー送りカムを内蔵し、かつスー
パー送りと通常送りとの選択切換えを送りダイヤ
ルで行うジグザグミシンにおいて、単一の従動子
に対して複数のスーパー送りカムを移動させるよ
うにすることにより、単一の従動子とスーパー送
りカム間の誤差を少なくし、適正なスーパー送り
によつて良好なスーパー縫模様が得られるように
することである。(Purpose) The present invention was made in order to eliminate the above-mentioned drawbacks, and its purpose is to incorporate multiple super feed cams and to switch between super feed and normal feed. In a zigzag sewing machine that uses a feed dial, by moving multiple super feed cams with respect to a single follower, the error between the single follower and the super feed cam is reduced, and the correct super feed is achieved. To obtain a good super sewing pattern by feeding.
また他の目的は、送りダイヤルの操作によつて
スーパー送りと通常送りとの選択切換えを行うと
共に複数のスーパー送りカムの各別の選択をも行
うことができるようにすることにより、使用者の
便を図ることである。更に他の目的は、上記の如
くすることによつて、部品単価を廉価にしかつ組
立工数を低減させることである。 Another purpose is to enable the user to select between super feed and normal feed by operating the feed dial, and also to make separate selections for a plurality of super feed cams. It is to plan for convenience. Still another object is to reduce the unit cost of parts and the number of assembly steps by doing the above.
（解決手段）
要するに本考案は、複数のスーパー送りカムを
内蔵し、かつスーパー送りと通常送りとの選択切
換えを送りダイヤルで行うジグザグミシンにおい
て、前記複数のスーパー送りカムに択一的に係合
し得る単一のスーパー送り用従動子と、前記複数
のスーパー送りカムを一体的に形成した軸方向に
移動可能なスーパー送りカム群と、前記送りダイ
ヤルに形成されたカム面によつて前記スーパー送
りカム群を軸方向に移動させ前記複数のスーパー
送りカムを択一的に前記スーパー送り用従動子に
係合できるように切換えるスーパー送りカム摺動
機構を設けたことを特徴とするものである。(Solution) In short, the present invention provides a zigzag sewing machine that incorporates a plurality of super feed cams and uses a feed dial to select between super feed and normal feed, in which the sewing machine selectively engages the plurality of super feed cams. A single super feed follower that can move the super feed, an axially movable super feed cam group integrally formed with the plurality of super feed cams, and a cam surface formed on the feed dial to The present invention is characterized by being provided with a super feed cam sliding mechanism that moves a group of feed cams in the axial direction and switches the plurality of super feed cams so that they can be selectively engaged with the super feed followers. .
（実施例）
以下本考案を図面に示す実施例に基いて説明す
ると、複数の模様選択ボタン１はミシン頭部２の
ベツド機枠３に固着された機構台４に装着されて
おり、本実施例では、第２図に示すように、模様
選択ボタン１の１ａ，１ｂ，１ｃ，１ｄ，１ｅの
上面にスーパー縫模様１ｆ，１ｇ及び通常のジグ
ザグ縫模様１ｈが夫々表示されている。振巾ダイ
ヤル６は機構台４の右側に枢着されており、送り
ダイヤル７は機構台４の左側に固着された枢軸８
（第５図参照）に回転自在に装着されている。振
幅ダイヤル６の外周面には振幅目盛６ａが、送り
ダイヤル７の外周面には０〜４までの送り目盛７
ａ及び２種類のスーパー模様Ｓ１及びＳ２の選択
目盛７ｂが夫々表示されており、各ダイヤルを回
転操作して所望の振幅目盛６ａ、送り目盛７ａ及
び選択目盛７ｂを機構台４に表示された指示線
（図示せず）に合わせるようになつている。(Embodiment) The present invention will be described below based on an embodiment shown in the drawings.A plurality of pattern selection buttons 1 are mounted on a mechanism base 4 fixed to a bed machine frame 3 of a sewing machine head 2. In the example, as shown in FIG. 2, super sewing patterns 1f and 1g and a normal zigzag sewing pattern 1h are displayed on the upper surface of pattern selection buttons 1 1a, 1b, 1c, 1d, and 1e, respectively. The width dial 6 is pivotally attached to the right side of the mechanism base 4, and the feed dial 7 is attached to a pivot 8 fixed to the left side of the mechanism base 4.
(See Figure 5). An amplitude scale 6a is provided on the outer circumferential surface of the amplitude dial 6, and a feed scale 7 from 0 to 4 is provided on the outer circumferential surface of the feed dial 7.
A and selection scales 7b for two types of super patterns S1 and S2 are displayed respectively, and by rotating each dial, the desired amplitude scale 6a, feed scale 7a, and selection scale 7b are displayed on the mechanism stand 4. line (not shown).
第３図において模様カム群１０は一体的に形成
されており、機構台４に固着されたカム軸１１に
軸方向の移動を制限されて嵌挿されており、該模
様カム群の夫々のカム１０ａ，１０ｂ、…には振
幅用従動子１２が対向して配列されている。そし
て模様カム群１０の回転によつて振幅用従動子１
２が揺動し、一連の機構（図示せず）を介して針
棒（図示せず）に揺動運動を与えている。スーパ
ー送りカム群１３は一体的に形成されており、模
様カム群１０の左側のカム軸１１に軸方向に摺動
し得る如く嵌挿されており、本実施例では２個の
スーパー送りカム１３ａ，１３ｂが形成されてい
る。スーパー送りカム群１３にはフランジ部１３
ｃを備えた軸筒部１３ｄが形成されており、フラ
ンジ部１３ｃと機構台４との間のカム軸１１には
圧縮ばね１４が巻装されており、スーパー送りカ
ム群１３を、矢印Ａの方向に摺動するように付勢
している。 In FIG. 3, the pattern cam group 10 is integrally formed, and is fitted onto a cam shaft 11 fixed to the mechanism base 4 with axial movement restricted, and each cam of the pattern cam group Amplitude followers 12 are arranged facing each other at 10a, 10b, . . . . Then, by the rotation of the pattern cam group 10, the amplitude follower 1
2 swings and imparts swinging motion to the needle bar (not shown) through a series of mechanisms (not shown). The super feed cam group 13 is integrally formed and is fitted onto the left cam shaft 11 of the pattern cam group 10 so as to be able to slide in the axial direction.In this embodiment, two super feed cams 13a , 13b are formed. The super feed cam group 13 has a flange portion 13.
A compression spring 14 is wound around the camshaft 11 between the flange portion 13c and the mechanism base 4, and the super feed cam group 13 is moved in the direction indicated by the arrow A. It is biased to slide in the direction.
第５図をも参照して、スーパー送り用従動子駆
動機構１５は、スーパー送り用従動子１６、従動
子ホルダ１７を備えている。 Referring also to FIG. 5, the super feed follower drive mechanism 15 includes a super feed follower 16 and a follower holder 17.
スーパー送り用従動子１６は、一端を機構台４
に枢軸１８によつて枢着され従動子ホルダ１７の
中間部にピン１９によつて枢着されており、一端
に形成された爪部１６ａは択一的にスーパー送り
カム群１３に選択的に係合し得る如くなつてお
り、他端１６ｂは送り量を調節する送り調節機構
（図示せず）に連結されている。従動子ホルダ１
７の他端にはピン２０が植設されており、該ピン
は機構台４に装着された軸２１に巻装されたねじ
りコイルばね２２によつて、送りダイヤル７に形
成された第一のカム面７ｃに圧接係合するように
付勢されている。 The super feed follower 16 has one end attached to the mechanism base 4.
The pin 19 is pivotally connected to the intermediate portion of the follower holder 17 by a pivot 18, and a claw portion 16a formed at one end is selectively connected to the super feed cam group 13. The other end 16b is connected to a feed adjustment mechanism (not shown) for adjusting the feed amount. Follower holder 1
A pin 20 is implanted at the other end of the feed dial 7, and this pin is connected to the first pin formed on the feed dial 7 by a torsion coil spring 22 wound around a shaft 21 mounted on the mechanism base 4. It is urged to press into engagement with the cam surface 7c.
第６図及び第７図をも参照してスーパー送りカ
ム摺動機構２５は、駆動レバー２６及び摺動レバ
ー２７を備えている。駆動レバー２６の中間部は
枢軸２８によつて機構台４に枢着されており、一
端に形成された爪部２６ａは送りダイヤル７に形
成された第二のカム面７ｄに図示しないばねによ
つて圧接係合する如く付勢されている。摺動レバ
ー２７は、第一と第二の摺動レバー３０，３１に
２分割されており、第一の摺動レバー３０の一端
は枢軸３２によつて機構台４に枢着されており、
他端に形成された爪部３０ａはフランジ部１３ｃ
に圧接係合している。第二の摺動レバー３１の一
端は枢軸３２に嵌挿され、該枢軸に巻装されたね
じりコイルばね３４の一端は第二の摺動レバー３
１に係止され、該ねじりコイルばね３４の他端は
第一の摺動レバー３０に係止されており、第一及
び第二の摺動レバー３０，３１は通常は一体的に
枢軸３２を中心として揺動する如くなつている。
そしてねじりコイルばね３４のばね常数は、圧縮
ばね１４のばね常数より大きく設定されている。 Referring also to FIGS. 6 and 7, the super feed cam sliding mechanism 25 includes a drive lever 26 and a sliding lever 27. An intermediate portion of the drive lever 26 is pivotally connected to the mechanism base 4 by a pivot 28, and a claw portion 26a formed at one end is engaged with a second cam surface 7d formed on the feed dial 7 by a spring (not shown). They are biased so as to press into engagement. The sliding lever 27 is divided into two parts, a first sliding lever 30 and a second sliding lever 31, and one end of the first sliding lever 30 is pivotally attached to the mechanism base 4 by a pivot 32.
The claw portion 30a formed at the other end is the flange portion 13c.
is press-fitted to the One end of the second sliding lever 31 is fitted into the pivot 32, and one end of a torsion coil spring 34 wound around the pivot is connected to the second sliding lever 3.
1, and the other end of the torsion coil spring 34 is locked to the first sliding lever 30, and the first and second sliding levers 30, 31 normally move integrally around the pivot 32. It seems to be swinging around the center.
The spring constant of the torsion coil spring 34 is set larger than the spring constant of the compression spring 14.
本考案は、上記のように構成されており、以下
その作用について説明する。模様選択ボタン１の
１ａ〜１ｅのうちどれか一つを押圧すると、３種
類の縫模様、即ちスーパー縫模様１ｆ，１ｇ又は
ジグザグ縫模様１ｈのうち一つが選択できる。 The present invention is constructed as described above, and its operation will be explained below. When one of the pattern selection buttons 1a to 1e is pressed, one of three types of sewing patterns, ie, super sewing patterns 1f, 1g, or zigzag sewing pattern 1h, can be selected.
例えば、送りダイヤル７を回転操作して送り目
盛７ａを指示線に合致せしめると、第５図に実線
で示すように、従動子ホルダ１７のピン２０は送
りダイヤル７の第一のカム面７ｃの最低部に係合
する如くなり、スーパー送り用従動子１６の爪部
１６ａはスーパー送りカム群１３と係合できない
位置にあり、模様カム群１０と振幅用従動子１２
との協働作用によるジグザグ縫だけが行われジグ
ザグ縫模様１ｈが得られる。 For example, when the feed dial 7 is rotated to align the feed scale 7a with the indicated line, the pin 20 of the follower holder 17 is aligned with the first cam surface 7c of the feed dial 7, as shown by the solid line in FIG. The claw portion 16a of the super feed follower 16 is in a position where it cannot engage with the super feed cam group 13, and the pattern cam group 10 and the amplitude follower 12 are engaged with the lowest part.
Only the zigzag stitch is performed by the cooperative action of the zigzag stitch pattern 1h.
次に送りダイヤル７を回転操作して選択目盛７
ｂのＳ１を指示線に合致せしめると、第５図に仮
想線で示すように、従動子ホルダ１７のピン２０
は送りダイヤル７の第一のカム面７ｃの最高等径
部７ｅに係合する如くなり、スーパー送り用従動
子１６の爪部１６ａは、第８図に示すように、ス
ーパー送りカム群１３のスーパー送りカム１３ａ
に係合する如くなり、模様カム群１０とスーパー
送りカム１３ａとの協働作用によるスーパー縫が
得られ、スーパー縫模様１ｆが得られる。 Next, rotate the feed dial 7 to select the selection scale 7.
When S1 of b is aligned with the indicated line, the pin 20 of the follower holder 17 is aligned as shown by the imaginary line in FIG.
comes to engage with the highest equal diameter portion 7e of the first cam surface 7c of the feed dial 7, and the claw portion 16a of the super feed follower 16 engages with the highest equal diameter portion 7e of the first cam surface 7c of the feed dial 7, and the claw portion 16a of the super feed follower 16 engages with the maximum equal diameter portion 7e of the first cam surface 7c of the feed dial 7, and the claw portion 16a of the super feed follower 16 engages with the highest equal diameter portion 7e of the first cam surface 7c of the feed dial 7. Super feed cam 13a
As a result, super stitching is obtained by the cooperative action of the pattern cam group 10 and the super feed cam 13a, and a super stitch pattern 1f is obtained.
次に送りダイヤル７を回転操作して選択目盛７
ｂのＳ２を指示線に合致せしめると、第６図及び
第７図をも参照して、駆動レバー２６の爪部２６
ａは仮想線で示す状態から送りダイヤル７の第二
のカム面７ｄの最高部７ｇに係合する如くなつ
て、該駆動レバー２６の他端によつて第二の摺動
レバー３１の他端を押圧する。すると、第一の摺
動レバー３０の爪部３０ａは仮想線で示す状態か
ら圧縮ばね１４のばね圧に抗してフランジ部１３
ｃを押圧し、スーパー送り送りカム群１３を矢印
Ｂの方向に摺動させる。すると、第９図に示すよ
うに、スーパー送り用従動子１６はスーパー送り
カム１３ｂに係合する如くなり、模様カム群１０
とスーパー送りカム１３ｂとの協働作用によるス
ーパー縫が得られ、スーパー縫模様１ｇが得られ
る。 Next, rotate the feed dial 7 to select the selection scale 7.
When S2 of b is aligned with the indicated line, the claw portion 26 of the drive lever 26 is
From the state shown by the imaginary line, a is engaged with the highest part 7g of the second cam surface 7d of the feed dial 7, and the other end of the second sliding lever 31 is moved by the other end of the drive lever 26. Press. Then, the claw portion 30a of the first sliding lever 30 moves from the state shown by the imaginary line to the flange portion 13 against the spring pressure of the compression spring 14.
c to slide the super feed cam group 13 in the direction of arrow B. Then, as shown in FIG. 9, the super feed follower 16 comes to engage with the super feed cam 13b, and the pattern cam group 10
A super stitch is obtained by the cooperative action of the super feed cam 13b and a super stitch pattern 1g.
このように送りダイヤル７の選択目盛７ｂのＳ
２を選択しても、スーパー送りカム群１３は移動
しない場合がある。これはスーパー送り用従動子
１６がスーパー送りカム１３ａからスーパー送り
カム１３ｂに移動するときに、該スーパー送りカ
ム１３ｂのカム面に当接して移動できない位置が
あるからであり、このときは第二の摺動レバー３
１だけが移動し、第一の摺動レバー３０は移動し
ない。そしてスーパー送りカム群１３が回転しス
ーパー送り用従動子１６とスーパー送りカム１３
ｂとの当接が解除されると、ねじりコイルばね３
４の復元力によつて第一の摺動レバー３０が移動
するに伴つてスーパー送りカム群１３も移動し、
スーパー送りカム１３ｂとスーパー送り用従動子
１６とが係合する如くなるものである。 In this way, select S on the selection scale 7b of the feed dial 7.
Even if 2 is selected, the super feed cam group 13 may not move. This is because when the super feed follower 16 moves from the super feed cam 13a to the super feed cam 13b, there is a position where it cannot move because it comes into contact with the cam surface of the super feed cam 13b. sliding lever 3
1 moves, and the first sliding lever 30 does not move. Then, the super feed cam group 13 rotates, and the super feed follower 16 and the super feed cam 13
When the contact with b is released, the torsion coil spring 3
As the first sliding lever 30 moves due to the restoring force of 4, the super feed cam group 13 also moves,
The super feed cam 13b and the super feed follower 16 are brought into engagement with each other.
以上のように本考案によれば、スーパー送りカ
ム群１３を単一のスーパー送り用従動子１６が選
択的に係合するとき、スーパー送りカム群１３が
移動するので、スーパー送り用従動子１６の揺動
中心たるピン１９の位置は、該スーパー送り用従
動子がスーパー送りカム群１３に係合していると
きは常に一定であり、従つてスーパー縫模様の誤
差は、スーパー送りカム群１３の個々のスーパー
送りカムの精度誤差しか表面化しない。また送り
ダイヤル７の送り目盛７ａを選択したときは、通
常の送り量の調節が行われ、選択目盛７ｂのＳ１
を選択したときはスーパー縫模様１ｆが得られ、
また選択目盛７ｂのＳ２を選択したときはスーパ
ー縫模様１ｇが得られる。 As described above, according to the present invention, when the single super feed follower 16 selectively engages the super feed cam group 13, the super feed cam group 13 moves. The position of the pin 19, which is the center of oscillation, is always constant when the super feed follower is engaged with the super feed cam group 13. Therefore, the error in the super sewing pattern is caused by the super feed cam group 13. Only the accuracy errors of the individual super feed cams become apparent. Further, when the feed scale 7a of the feed dial 7 is selected, the normal feed amount is adjusted, and the S1 of the selection scale 7b is adjusted.
When you select , super sewing pattern 1f is obtained,
Moreover, when S2 of the selection scale 7b is selected, a super sewing pattern 1g is obtained.
（効果）
本考案は、上記のように構成され、作用するも
のであるから、複数のスーパー送りカムを内蔵
し、かつスーパー送りと通常送りとの選択切換え
を送りダイヤルで行うジグザグミシンにおいて、
単一の従動子に対してスーパー送りカムが移動す
るようになつているので、単一の従動子とスーパ
ー送りカム間の誤差が少なくなり、適正なスーパ
ー送りが得られ良好なスーパー縫が得られるとい
う効果がある。また単一の送りダイヤルの操作に
よつてスーパー送りと通常送りとの選択切換えが
できると共に複数のスーパー送りカムの各別の選
択をも行うことができるので、使用者にとつて非
常に便利である。また部品単価が廉価になり、か
つ組立工数が低減できるという効果がある。(Effects) Since the present invention is constructed and operates as described above, it can be used in a zigzag sewing machine that incorporates a plurality of super feed cams and uses a feed dial to select between super feed and normal feed.
Since the super feed cam moves relative to a single follower, the error between the single follower and the super feed cam is reduced, allowing for proper super feed and good super stitching. It has the effect of being In addition, by operating a single feed dial, it is possible to select between super feed and normal feed, as well as to make separate selections for multiple super feed cams, which is very convenient for the user. be. In addition, the unit cost of parts can be reduced and the number of assembly steps can be reduced.
図面は本考案の実施例に係り、第１図は本考案
に係る装置を装着したミシン頭部の斜視図、第２
図は本考案に係る装置の要部を示す平面図、第３
図は第２図に示すものの裏面図、第４図は第３図
のスーパー送りカム摺動機構を示す平面図、第５
図はスーパー送り用従動子駆動機構を示す側面
図、第６図はスーパー送りカム摺動機構の部分正
面図、第７図はスーパー送りカム摺動機構の作動
状態を示す平面図、第８図及び第９図は夫々スー
パー送り用従動子とスーパー送りカムとの関係を
示す平面図である。
７は送りダイヤル、７ｄは該送りダイヤルのカ
ム面、１３はスーパー送りカム群、１３ａ，１３
ｂは夫々該スーパー送りカム群のスーパー送りカ
ム、１６はスーパー送り用従動子、２５はスーパ
ー送りカム摺動機構である。
The drawings relate to an embodiment of the present invention. FIG. 1 is a perspective view of a sewing machine head equipped with a device according to the present invention. FIG.
FIG. 3 is a plan view showing the main part of the device according to the present invention.
FIG. 4 is a plan view showing the super feed cam sliding mechanism shown in FIG. 3;
7 is a side view showing the super feed follower drive mechanism, FIG. 6 is a partial front view of the super feed cam sliding mechanism, FIG. 7 is a plan view showing the operating state of the super feed cam sliding mechanism, and FIG. 8 and FIG. 9 are plan views showing the relationship between the super feed follower and the super feed cam, respectively. 7 is a feed dial, 7d is a cam surface of the feed dial, 13 is a group of super feed cams, 13a, 13b are super feed cams, 13c are super feed cams, 13d are super feed cams, 13e are super feed cams, 13f are super feed cams, 13g are super feed cams, 13h are super feed cams, 13i ...
Reference numeral b denotes a super feed cam of the super feed cam group, 16 denotes a super feed follower, and 25 denotes a super feed cam sliding mechanism.
Claims (1)
ダイヤルを設け、複数のスーパー送りカムを内蔵
して、該複数のスーパー送りカムを外部より選択
可能にしたジグザグミシンにおいて、前記送りダ
イヤルに形成された第１のカム及び第２のカム
と、前記複数のスーパー送りカムに択一的に係合
し得る単一のスーパー送り用従動子と、前記複数
の送りカムが一体的に形成されカム軸の軸方向に
移動可能なスーパー送りカム群と、前記送りダイ
ヤルに形成の第１のカムにより前記スーパー送り
用従動子の爪部を前記スーパー送りカム群に係脱
せしめる従動子ホルダーと、前記送りダイヤルに
形成の第２のカムにより前記スーパー送りカム群
をカム軸の軸方向に移動せしめる駆動レバー及び
摺動レバーとを設け、布送り量の調節と前記スー
パー送り用従動子の前記カム群に対する係脱と前
記スーパー送りカム群の移動とを、単一の前記送
りダイヤルにて行なわせることを特徴とするジグ
ザグミシンにおけるスーパー送りカム切換装置。 In a zigzag sewing machine that is provided with a feed dial that is connected to a feed adjustment mechanism and adjusts the amount of cloth feed, a plurality of super feed cams are built in, and the plurality of super feed cams can be selected from the outside. A first cam and a second cam, a single super feed follower that can selectively engage with the plurality of super feed cams, and a camshaft in which the plurality of feed cams are integrally formed. a super feed cam group movable in the axial direction of the feed dial; a follower holder for engaging and disengaging the claw portion of the super feed follower from the super feed cam group by a first cam formed on the feed dial; A drive lever and a sliding lever are provided for moving the super feed cam group in the axial direction of the camshaft by a second cam formed on the dial, and a drive lever and a sliding lever are provided to adjust the cloth feed amount and to move the super feed follower to the cam group. A super feed cam switching device for a zigzag sewing machine, characterized in that engagement and disengagement and movement of the super feed cam group are performed by a single feed dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14402681U JPS5849675U (en) | 1981-09-30 | 1981-09-30 | Super feed cam switching device for zigzag sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14402681U JPS5849675U (en) | 1981-09-30 | 1981-09-30 | Super feed cam switching device for zigzag sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5849675U JPS5849675U (en) | 1983-04-04 |
| JPS6213585Y2 true JPS6213585Y2 (en) | 1987-04-08 |
Family
ID=29936993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14402681U Granted JPS5849675U (en) | 1981-09-30 | 1981-09-30 | Super feed cam switching device for zigzag sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5849675U (en) |
-
1981
- 1981-09-30 JP JP14402681U patent/JPS5849675U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5849675U (en) | 1983-04-04 |
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