JPH0460183U - - Google Patents
Info
- Publication number
- JPH0460183U JPH0460183U JP10329290U JP10329290U JPH0460183U JP H0460183 U JPH0460183 U JP H0460183U JP 10329290 U JP10329290 U JP 10329290U JP 10329290 U JP10329290 U JP 10329290U JP H0460183 U JPH0460183 U JP H0460183U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- support body
- thread
- sewing
- 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.)
- Granted
Links
- 238000009958 sewing Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 14
Description
第１図ないし第３図は、この考案に係るオーバ
ーロツクミシンの天秤装置の一実施例を示す図で
、第１図は、オーバーロツクミシンの天秤装置の
構成状態をしめす説明図、第２図は、支持体を示
す図で、同図ａは、支持体の設置状態を示す外観
斜視図、同図ｂは、支持体への針糸の掛け通し状
態を示す平面図、第３図は、オーバーロツクミシ
ンの天秤装置の作用を示す図で、同図ａは、縫い
針上昇時における針糸引き上げ時を示す説明図、
同図ｂは、縫い針下降時における針糸弛緩時を示
す説明図、第４図ないし第６図は、従来例を示す
図で、第４図は、オーバーロツクミシンを示す外
観斜視図、第５図は、オーバーロツクミシンに設
けられた主天秤および副天秤の構成状態を示す説
明図、第６図は、主天秤、副天秤の作用を示す図
で、同図ａは、針棒の最下降状態を示す説明図、
同図ｂは、針棒が中間位置となつた状態を示す説
明図、同図ｃは、針棒の最上昇状態を示す説明図
、第７図は、副天秤が設けられていない場合に生
じる不都合を示す説明図である。
図において、１……針糸、８……支持体、１３
……回転軸、１６……主軸、Ｃ……回転カム、Ｄ
……連結手段。
1 to 3 are diagrams showing an embodiment of the balance device of the overlock sewing machine according to the invention, FIG. 1 is an explanatory diagram showing the configuration of the balance device of the overlock sewing machine, and FIG. FIG. 3 is a diagram showing the support; FIG. 3A is an external perspective view showing the installed state of the support; FIG. This is a diagram showing the operation of the balance device of the overlock sewing machine, and Figure a is an explanatory diagram showing when the needle thread is pulled up when the sewing needle is raised;
FIG. 4b is an explanatory diagram showing the state when the needle thread is relaxed when the sewing needle is lowered, FIGS. 4 to 6 are diagrams showing the conventional example, and FIG. 4 is an external perspective view showing the overlock sewing machine. Fig. 5 is an explanatory diagram showing the configuration of the main take-up and auxiliary take-up provided in the overlock sewing machine, and Fig. 6 is a diagram showing the action of the main take-up and auxiliary take-up. An explanatory diagram showing a descending state,
Figure b is an explanatory diagram showing the state where the needle bar is in the intermediate position, Figure c is an explanatory diagram showing the needle bar in its highest position, and Figure 7 is an explanatory diagram showing the state in which the needle bar is in the highest position. It is an explanatory diagram showing a problem. In the figure, 1... Needle thread, 8... Support, 13
...Rotating shaft, 16...Main shaft, C...Rotating cam, D
...Connection means.
Claims (1)
い針の上方で主軸と同じ回転数で縦方向に回転す
る回転軸と、 針糸を横方向にするとともに、針糸を屈曲移動
可能に支持する支持体と、 前記回転軸に固定され、前記支持体により横方
向となつた針糸に対し、所定の角度となつた際に
これと当接する回転カムと、 を備えて構成し、回転カムにより、支持体に支持
される針糸を、縫い針の上昇時には屈曲させるこ
とで引き上げ、縫い針下降時にはこの針糸への屈
曲を解放することで弛緩するようにしたことを特
徴とするオーバーロツクミシンの天秤装置。[Claims for Utility Model Registration] A rotating shaft that is connected to the main shaft of the sewing machine via a connecting means and rotates vertically at the same rotation speed as the main shaft above the sewing needle; a support body that supports the thread in a bending and movable manner; and a rotating cam that is fixed to the rotating shaft and that comes into contact with the needle thread when it is at a predetermined angle with respect to the needle thread that is oriented horizontally by the support body. The needle thread supported by the support body is bent and pulled up by the rotating cam when the sewing needle ascends, and is relaxed by releasing the bending when the sewing needle descends. A balance device for an overlock sewing machine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990103292U JP2548902Y2 (en) | 1990-09-29 | 1990-09-29 | Overlock sewing machine balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990103292U JP2548902Y2 (en) | 1990-09-29 | 1990-09-29 | Overlock sewing machine balance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0460183U true JPH0460183U (en) | 1992-05-22 |
| JP2548902Y2 JP2548902Y2 (en) | 1997-09-24 |
Family
ID=31848111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990103292U Expired - Fee Related JP2548902Y2 (en) | 1990-09-29 | 1990-09-29 | Overlock sewing machine balance device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2548902Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5391853A (en) * | 1977-01-20 | 1978-08-12 | Tokyo Juki Industrial Co Ltd | Yarn needle controller for chain stitch sewing machine |
| JPS55138492A (en) * | 1979-04-13 | 1980-10-29 | Tokyo Juki Industrial Co Ltd | Mechanism for controlling needle and cotton of hemstitching sewing machine |
| JPS57118076A (en) * | 1981-05-06 | 1982-07-22 | Asahi Dow Ltd | Laminate-imitated foamed gypsum product |
| JPH01155981U (en) * | 1988-04-01 | 1989-10-26 |
-
1990
- 1990-09-29 JP JP1990103292U patent/JP2548902Y2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5391853A (en) * | 1977-01-20 | 1978-08-12 | Tokyo Juki Industrial Co Ltd | Yarn needle controller for chain stitch sewing machine |
| JPS55138492A (en) * | 1979-04-13 | 1980-10-29 | Tokyo Juki Industrial Co Ltd | Mechanism for controlling needle and cotton of hemstitching sewing machine |
| JPS57118076A (en) * | 1981-05-06 | 1982-07-22 | Asahi Dow Ltd | Laminate-imitated foamed gypsum product |
| JPH01155981U (en) * | 1988-04-01 | 1989-10-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2548902Y2 (en) | 1997-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |