JPS635335U - - Google Patents
Info
- Publication number
- JPS635335U JPS635335U JP9786086U JP9786086U JPS635335U JP S635335 U JPS635335 U JP S635335U JP 9786086 U JP9786086 U JP 9786086U JP 9786086 U JP9786086 U JP 9786086U JP S635335 U JPS635335 U JP S635335U
- Authority
- JP
- Japan
- Prior art keywords
- shutter plate
- spacing arm
- rotation assisting
- damper device
- assisting weight
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9786086U JPS635335U (cs) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9786086U JPS635335U (cs) | 1986-06-26 | 1986-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635335U true JPS635335U (cs) | 1988-01-14 |
Family
ID=30965250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9786086U Pending JPS635335U (cs) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635335U (cs) |
-
1986
- 1986-06-26 JP JP9786086U patent/JPS635335U/ja active Pending