JPS63107681U - - Google Patents
Info
- Publication number
- JPS63107681U JPS63107681U JP20216486U JP20216486U JPS63107681U JP S63107681 U JPS63107681 U JP S63107681U JP 20216486 U JP20216486 U JP 20216486U JP 20216486 U JP20216486 U JP 20216486U JP S63107681 U JPS63107681 U JP S63107681U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- needle
- feed
- conjunction
- moves
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 238000009958 sewing Methods 0.000 claims 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図はこの考案の一実施例を示す斜視図、第
２図は針の揺動機構を示す斜視図、第３図は第１
図に示したものの要部分解斜視図である。
１……上軸、２……上スプロケツト（回転体）
、３……下軸、４……回転体、４１……スプロケ
ツトブツシユ（位置決め部材）、４１ａ１、４１
ａ２……係合突起（係合部）、４２……スプロケ
ツト（回転部材）、４２ａ１，４２ａ２……係合
溝、５……タイミングベルト（回転伝達用連結帯
）、Ｐ……遮断機構。
Fig. 1 is a perspective view showing an embodiment of this invention, Fig. 2 is a perspective view showing a needle swinging mechanism, and Fig. 3 is a perspective view showing an embodiment of the invention.
FIG. 2 is an exploded perspective view of a main part of what is shown in the figure. 1...Upper shaft, 2...Upper sprocket (rotating body)
, 3... Lower shaft, 4... Rotating body, 41... Sprocket bush (positioning member), 41a1, 41
a2... Engaging protrusion (engaging portion), 42... Sprocket (rotating member), 42a1, 42a2... Engaging groove, 5... Timing belt (rotation transmission connection band), P... Cutting mechanism.
Claims (1)
動して揺動する針送り軸と、上軸に連動して上下
動すると共に針送り軸に連動して布送り方向に沿
つて揺動する針と、下軸に設けた回転体と、前記
両回転に巻架した回転伝達用連結帯とを備え、前
記回転体の少なくとも一方を、前記軸に固着され
その軸の中心に対し点対称の２点に同形の係合部
を有する位置決め部材と、前記両係合部と係合・
離脱可能な回転部材とにより構成すると共に、針
送り軸と下軸との連動を遮断し、針を一固定軸線
にそつて上下動する遮断機構を備えたことを特徴
とする針送りミシンにおける針送り／下送り変換
機構。 A feed dog that moves four times in conjunction with the lower shaft, a needle feed shaft that swings in conjunction with the lower shaft, a needle feed shaft that moves up and down in conjunction with the upper shaft, and a needle feed shaft that moves along the cloth feed direction in conjunction with the needle feed shaft. It is equipped with a swinging needle, a rotating body provided on a lower shaft, and a rotation transmission connecting band wrapped around both rotations, and at least one of the rotating bodies is fixed to the shaft and is connected to the center of the shaft. a positioning member having engaging portions of the same shape at two point-symmetrical points; and a positioning member that engages with both of the engaging portions.
What is claimed is: 1. A needle in a needle feed sewing machine, comprising a removable rotating member, and a blocking mechanism for blocking interlocking between a needle feed shaft and a lower shaft and moving the needle up and down along a fixed axis. Feed/lower feed conversion mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20216486U JPH0223243Y2 (en) | 1986-12-27 | 1986-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20216486U JPH0223243Y2 (en) | 1986-12-27 | 1986-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63107681U true JPS63107681U (en) | 1988-07-11 |
| JPH0223243Y2 JPH0223243Y2 (en) | 1990-06-25 |
Family
ID=31166289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20216486U Expired JPH0223243Y2 (en) | 1986-12-27 | 1986-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223243Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663258A (en) * | 1992-08-22 | 1994-03-08 | Brother Ind Ltd | Needle feed/lowering feed switch gear for sewing machine with needle feeding function |
-
1986
- 1986-12-27 JP JP20216486U patent/JPH0223243Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663258A (en) * | 1992-08-22 | 1994-03-08 | Brother Ind Ltd | Needle feed/lowering feed switch gear for sewing machine with needle feeding function |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223243Y2 (en) | 1990-06-25 |