JPH0388475U - - Google Patents
Info
- Publication number
- JPH0388475U JPH0388475U JP14649089U JP14649089U JPH0388475U JP H0388475 U JPH0388475 U JP H0388475U JP 14649089 U JP14649089 U JP 14649089U JP 14649089 U JP14649089 U JP 14649089U JP H0388475 U JPH0388475 U JP H0388475U
- Authority
- JP
- Japan
- Prior art keywords
- supply passage
- oil supply
- outer hook
- lower shaft
- main
- 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 3
- 238000009423 ventilation Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は従来のミシンの釜の断面図、第２図は
その潤滑油量と外釜回転数との関係を示す線図、
第３図は本考案を適用したミシンの釜の断面図で
ある。
１……外釜本体、２……外釜レース面、３……
内釜、４……内釜外周突起、５……下軸、６……
軸受、７……主給油路、８……油量制限機構、９
……釜油量制限フエルト、１０……通気孔、１１
……補助給油路。
Figure 1 is a cross-sectional view of a hook of a conventional sewing machine, Figure 2 is a diagram showing the relationship between the amount of lubricating oil and the rotation speed of the outer hook.
FIG. 3 is a sectional view of the hook of a sewing machine to which the present invention is applied. 1... Outer hook body, 2... Outer hook lace surface, 3...
Inner pot, 4... Inner pot outer periphery projection, 5... Lower shaft, 6...
Bearing, 7... Main oil supply path, 8... Oil amount limiting mechanism, 9
...Kettle oil amount restriction felt, 10...Vent hole, 11
...Auxiliary refueling route.
Claims (1)
記外釜本体の内壁側面に形成したレース面と、こ
のレース面に夫々その一端を開口せしめ、他端を
上記下軸に開口せしめるよう上記外釜本体の壁内
に形成した主給油路及び補助給油路と、上記主給
油路及び補助給油路を外釜本体外部に連通するよ
う上記外釜本体の内壁底面に形成した通気穴とよ
り成り、上記主給油路の一端開口と上記レース面
との間には油量制限機構が介挿され、上記補助給
油路の一端開口は小径とされていることを特徴と
するミシンの外釜。 A lower shaft, an outer hook main body connected to the lower shaft, a race surface formed on an inner wall side surface of the outer hook main body, one end of which is opened in each of the race surfaces, and the other end is opened in the lower shaft. a main oil supply passage and an auxiliary oil supply passage formed in the wall of the outer hook body, and a ventilation hole formed on the bottom surface of the inner wall of the outer hook body so as to communicate the main oil supply passage and the auxiliary oil supply passage to the outside of the outer hook body. An outer hook of a sewing machine, characterized in that an oil amount limiting mechanism is interposed between an opening at one end of the main oil supply passage and the race surface, and an opening at one end of the auxiliary oil supply passage has a small diameter. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14649089U JPH0388475U (en) | 1989-12-21 | 1989-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14649089U JPH0388475U (en) | 1989-12-21 | 1989-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0388475U true JPH0388475U (en) | 1991-09-10 |
Family
ID=31693070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14649089U Pending JPH0388475U (en) | 1989-12-21 | 1989-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0388475U (en) |
-
1989
- 1989-12-21 JP JP14649089U patent/JPH0388475U/ja active Pending