JPH0317778U - - Google Patents
Info
- Publication number
- JPH0317778U JPH0317778U JP7736889U JP7736889U JPH0317778U JP H0317778 U JPH0317778 U JP H0317778U JP 7736889 U JP7736889 U JP 7736889U JP 7736889 U JP7736889 U JP 7736889U JP H0317778 U JPH0317778 U JP H0317778U
- Authority
- JP
- Japan
- Prior art keywords
- sewing machine
- sewing
- pinion
- workpiece
- rotation
- 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.)
- Pending
Links
- 238000009958 sewing Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
Description
第１図は、この考案に係る円形縫いミシンを示
す斜視図、第２図は回転機構の構成を示す第１図
における−線断面図、第３図は、縫製終了時
のエアーバツクを示す斜視図である。
図において、Ａ……縫製機構（２本針２重環縫
いミシン）、Ｂ……駆動機構、Ｃ……回転機構、
１……回転駆動部、２……減速機、３……回転伝
達手段、４……ピニオン、５……回転上円板、５
ａ……ラツク部、６……布枠体、７……ミシンテ
ーブル、８……調節手段、９……回転軸、９ａ…
…ワンウエイクラツチ、１０……回転下円板。
Fig. 1 is a perspective view showing a circular stitch sewing machine according to the invention, Fig. 2 is a sectional view taken along the line -- in Fig. 1 showing the configuration of the rotating mechanism, and Fig. 3 is a perspective view showing the air bag at the end of sewing. It is. In the figure, A...sewing mechanism (double needle double chainstitch sewing machine), B...drive mechanism, C...rotation mechanism,
DESCRIPTION OF SYMBOLS 1...Rotation drive part, 2...Reduction gear, 3...Rotation transmission means, 4...Pinion, 5...Rotating upper disk, 5
a... Rack part, 6... Cloth frame body, 7... Sewing machine table, 8... Adjustment means, 9... Rotating shaft, 9a...
...One-way clutch, 10...Rotating lower disc.
Claims (1)
縫製物に円形の縫目を形成するためのラツク部を
有する回転機構と、 前記ラツク部に噛合するピニオンを具え縫製動
作に同調して回転機構を駆動するための駆動機構
とからなることを特徴とする円形縫いミシン。 (2) 前記回転機構は、ミシンテーブルに固定さ
れ、円形状で周縁に立ち上がり部を設け、中心部
に貫通孔を有した布枠体と、 被縫製物を載置し、前記布枠全体内で回転可能
な回転下円板と、 回転下円板に重なり合い、被縫製物を回転下円
板に押えるとともに上面には、ラツク部を形成し
た回転上円板と、 ワンウエイクラツチを有し、前記回転下円板と
回転上円板とを回転可能に軸支する回転軸とで構
成したことを特徴とする請求項１記載の円形縫い
ミシン。 (3) 前記駆動機構は、縫製機構に連動する回転
駆動部と、減速機と、前記回転機構のラツク部に
噛合して、前記回転機構に保持される被縫製物を
回転させるピニオンと、 減速機およびピニオン間に介装される回転伝達
手段と、 ピニオンのラツク部に対する押え圧の調節手段
とで構成したことを特徴とする請求項１記載の円
形縫いミシン。 (4) 前記縫製機構は、２本針２重環縫いミシン
であることを特徴とする請求項１記載の円形縫い
ミシン。[Claims for Utility Model Registration] (1) A sewing mechanism, a rotating mechanism having a rack portion that rotates in accordance with the needle drop and forms a circular stitch on a workpiece, and meshes with the rack portion. A circular stitch sewing machine comprising a drive mechanism equipped with a pinion for driving a rotation mechanism in synchronization with sewing motion. (2) The rotating mechanism is fixed to a sewing machine table, and has a circular cloth frame with a rising portion on its periphery and a through hole in the center, and a workpiece to be sewn, which is placed inside the entire cloth frame. a rotating upper disk that overlaps the lower rotating disk and presses the workpiece to the lower rotating disk and has a rack portion formed on its upper surface; and a one-way clutch; 2. The circular stitch sewing machine according to claim 1, further comprising a rotating shaft rotatably supporting the lower rotating disk and the upper rotating disk. (3) The drive mechanism includes a rotation drive unit that is interlocked with the sewing mechanism, a reduction gear, a pinion that meshes with a rack part of the rotation mechanism to rotate the workpiece held by the rotation mechanism, and a reduction gear. 2. The circular stitch sewing machine according to claim 1, further comprising: a rotation transmitting means interposed between the machine and the pinion; and a means for adjusting presser foot pressure with respect to a rack portion of the pinion. (4) The circular stitch sewing machine according to claim 1, wherein the sewing mechanism is a two-needle double chainstitch sewing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7736889U JPH0317778U (en) | 1989-06-30 | 1989-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7736889U JPH0317778U (en) | 1989-06-30 | 1989-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317778U true JPH0317778U (en) | 1991-02-21 |
Family
ID=31619689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7736889U Pending JPH0317778U (en) | 1989-06-30 | 1989-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020127692A (en) * | 2019-02-12 | 2020-08-27 | トヨタ紡織株式会社 | Workpiece feeding device for sewing machine |
| JP2020127691A (en) * | 2019-02-12 | 2020-08-27 | トヨタ紡織株式会社 | Workpiece feeding controller for sewing machine |
-
1989
- 1989-06-30 JP JP7736889U patent/JPH0317778U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020127692A (en) * | 2019-02-12 | 2020-08-27 | トヨタ紡織株式会社 | Workpiece feeding device for sewing machine |
| JP2020127691A (en) * | 2019-02-12 | 2020-08-27 | トヨタ紡織株式会社 | Workpiece feeding controller for sewing machine |
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