JPH0282271U - - Google Patents
Info
- Publication number
- JPH0282271U JPH0282271U JP16221088U JP16221088U JPH0282271U JP H0282271 U JPH0282271 U JP H0282271U JP 16221088 U JP16221088 U JP 16221088U JP 16221088 U JP16221088 U JP 16221088U JP H0282271 U JPH0282271 U JP H0282271U
- Authority
- JP
- Japan
- Prior art keywords
- feed
- differential
- shaft
- base
- crank
- 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
- 239000004744 fabric Substances 0.000 claims description 11
- 238000009958 sewing Methods 0.000 claims 6
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は本考案の実施例の構成を略示する斜視
図、第２図は送り土台部分の一部切欠側面図、第
３図は送り調節操作部分の一部切欠側面図である
。
Ｍ…モータ、１…下軸、２…偏心カム、３…送
り作動レバー、４…二叉部、５…布送り駆動軸、
６…クランク、７…布送りクランク、８…主送り
土台、８′…同上の基部、９…主送り歯、１０…
副送り土台、１０′…二叉部、１１…副送り歯、
１２…枢着軸、１３…横長孔、１４…連結軸、１
５…偏心カム、１６…差動送りクランク、１６′
…同上の下端、１７…差動送り調節軸、１８…差
動送りクランクの先端、１９…回転子、２０…差
動送りブーム、２０′…同上の先端、２１…支点
軸、２２…円弧溝、２３…二節リンクアーム、２
４…送り量調節操作機構、２５…スライダー、２
６…取付け軸、２７…ガイドブロツク、２８…レ
バー、２９…リンク、３０…送り量調節操作杆、
３１…差動送り調節操作機構、３２…レバー、３
３…リンク、３４…差動調節操作杆。
FIG. 1 is a perspective view schematically showing the structure of an embodiment of the present invention, FIG. 2 is a partially cutaway side view of the feed base portion, and FIG. 3 is a partially cutaway side view of the feed adjustment operation portion. M...Motor, 1...Lower shaft, 2...Eccentric cam, 3...Feed operation lever, 4...Two prongs, 5...Cloth feed drive shaft,
6... Crank, 7... Cloth feed crank, 8... Main feed base, 8'... Base same as above, 9... Main feed dog, 10...
Sub-feed base, 10'...two prongs, 11...sub-feed dog,
12... Pivoting shaft, 13... Horizontal elongated hole, 14... Connection shaft, 1
5...Eccentric cam, 16...Differential feed crank, 16'
...lower end of the same as above, 17...differential feed adjustment shaft, 18...tip of differential feed crank, 19...rotor, 20...differential feed boom, 20'...tip of same as above, 21...fulcrum shaft, 22...circular groove , 23...Two-section link arm, 2
4...Feed amount adjustment operation mechanism, 25...Slider, 2
6...Mounting shaft, 27...Guide block, 28...Lever, 29...Link, 30...Feed amount adjustment operation rod,
31...Differential feed adjustment operation mechanism, 32...Lever, 3
3...Link, 34...Differential adjustment operating rod.
Claims (1)
布送り駆動軸５に、布送りクランク７を取り付け
、この布送りクランク７に、主送り歯９を具えた
主送り土台８の基端８′を枢着し、副送り歯１１
を具えた副送り土台１０を主送り土台８と平行に
、かつ、前後方向への摺動を自在にして横架し、
前記布送りクランク７の揺動方向に沿つて該布送
りクランク７と四節リンクモーシヨン状の揺動を
形成するようにした差動送りクランク１６を備え
、この差動送りクランク１６の先端１８を副送り
土台１０に連結する一方、布送りクランク７の中
間に支点軸２１を有して、先端２０′を差動送り
クランク１６に形成した円弧溝２２に沿つて摺動
自在に係合する差動送りブーム２０を設け、この
差動送りブーム２０に、差動送り調節軸１７を連
結し、該差動送り調節軸１７の回動に伴つて生ず
る上記差動送りブーム２０の傾斜角度によつて副
送り歯１１に差動を生ずるように構成してなるミ
シンの差動送り機構。 (2) 前記副送り土台１０が、前記主送り土台８
の枢着軸１２を共通の支点軸とし、かつ、副送り
土台１０と主送り土台８の中間に共通の連結軸１
４を挿通して、この二つの土台８，１０のいずれ
か一方１０と、前記ミシンの下軸１に取り付けた
布送り上下動用の偏心カム１５とを係合するよう
に構成したことを特徴とする実用新案登録請求の
範囲第１項記載のミシンの差動送り機構。 (3) 前記差動送り調節軸１７と前記布送り駆動
軸５を、前記下軸１と平行にミシンのベツド内に
横架し、この二つの軸１７，５の他端において布
送り駆動軸５に送り量を設定する送り量調節操作
機構３０を連結し、差動送り調節軸１７に差動送
り調節操作機構３１を連結したことを特徴とする
実用新案登録請求の範囲第１項記載のミシンの差
動送り機構。[Claims for Utility Model Registration] (1) A cloth feed crank 7 is attached to the cloth feed drive shaft 5 which is driven by the lower shaft 1 of the sewing machine and rotates back and forth, and this cloth feed crank 7 is provided with a main feed dog 9. The base end 8' of the main feed base 8 is pivotally connected to the sub feed dog 11.
A sub-feeding base 10 equipped with a auxiliary feeding base 10 is horizontally suspended in parallel with the main feeding base 8 and can freely slide in the front and rear directions,
A differential feed crank 16 is provided which forms a four-bar link motion-like swing with the cloth feed crank 7 along the rocking direction of the cloth feed crank 7, and a distal end 18 of the differential feed crank 16 is provided. is connected to the sub-feed base 10, and has a fulcrum shaft 21 in the middle of the cloth feed crank 7, and its tip 20' is slidably engaged along an arcuate groove 22 formed in the differential feed crank 16. A differential feed boom 20 is provided, a differential feed adjustment shaft 17 is connected to the differential feed boom 20, and the inclination angle of the differential feed boom 20 that occurs as the differential feed adjustment shaft 17 rotates is adjusted. Therefore, the differential feed mechanism of the sewing machine is configured to generate a differential movement in the sub-feed teeth 11. (2) The sub-feed base 10 is the main feed base 8
The pivot shaft 12 is used as a common fulcrum shaft, and a common connecting shaft 1 is provided between the sub feed base 10 and the main feed base 8.
4 to engage one of the two bases 8, 10 with an eccentric cam 15 for vertically moving the cloth feed attached to the lower shaft 1 of the sewing machine. A differential feed mechanism for a sewing machine according to claim 1 of the utility model registration claim. (3) The differential feed adjustment shaft 17 and the cloth feed drive shaft 5 are horizontally mounted in the bed of the sewing machine parallel to the lower shaft 1, and the cloth feed drive shaft is connected to the other end of the two shafts 17, 5. 5 is connected to a feed amount adjustment operation mechanism 30 for setting the feed amount, and a differential feed adjustment operation mechanism 31 is connected to the differential feed adjustment shaft 17. Sewing machine differential feed mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16221088U JPH0282271U (en) | 1988-12-14 | 1988-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16221088U JPH0282271U (en) | 1988-12-14 | 1988-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282271U true JPH0282271U (en) | 1990-06-26 |
Family
ID=31445832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16221088U Pending JPH0282271U (en) | 1988-12-14 | 1988-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282271U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937076B2 (en) * | 1977-05-26 | 1984-09-07 | 日石三菱株式会社 | Fermentation method Vitamin B↓1↓2 manufacturing method |
-
1988
- 1988-12-14 JP JP16221088U patent/JPH0282271U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937076B2 (en) * | 1977-05-26 | 1984-09-07 | 日石三菱株式会社 | Fermentation method Vitamin B↓1↓2 manufacturing method |
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