JPH0391390U - - Google Patents
Info
- Publication number
- JPH0391390U JPH0391390U JP6990U JP6990U JPH0391390U JP H0391390 U JPH0391390 U JP H0391390U JP 6990 U JP6990 U JP 6990U JP 6990 U JP6990 U JP 6990U JP H0391390 U JPH0391390 U JP H0391390U
- Authority
- JP
- Japan
- Prior art keywords
- box
- valve
- seesaw
- vent hole
- bellows
- 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
- 238000009423 ventilation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
- Diaphragms And Bellows (AREA)
- Check Valves (AREA)
- Toys (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6990U JPH0639747Y2 (ja) | 1990-01-05 | 1990-01-05 | シーソー |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6990U JPH0639747Y2 (ja) | 1990-01-05 | 1990-01-05 | シーソー |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0391390U true JPH0391390U (el) | 1991-09-18 |
| JPH0639747Y2 JPH0639747Y2 (ja) | 1994-10-19 |
Family
ID=31504039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6990U Expired - Lifetime JPH0639747Y2 (ja) | 1990-01-05 | 1990-01-05 | シーソー |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639747Y2 (el) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102509572B1 (ko) * | 2021-07-26 | 2023-03-14 | 이송현 | 양수용 시소 펌프 |
-
1990
- 1990-01-05 JP JP6990U patent/JPH0639747Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639747Y2 (ja) | 1994-10-19 |