JPS61103156U - - Google Patents
Info
- Publication number
- JPS61103156U JPS61103156U JP18921084U JP18921084U JPS61103156U JP S61103156 U JPS61103156 U JP S61103156U JP 18921084 U JP18921084 U JP 18921084U JP 18921084 U JP18921084 U JP 18921084U JP S61103156 U JPS61103156 U JP S61103156U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- case
- stop arm
- protrusion
- shaft
- 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 description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 4
- 230000000903 blocking effect Effects 0.000 claims 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18921084U JPH0223331Y2 (en, 2012) | 1984-12-13 | 1984-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18921084U JPH0223331Y2 (en, 2012) | 1984-12-13 | 1984-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61103156U true JPS61103156U (en, 2012) | 1986-07-01 |
| JPH0223331Y2 JPH0223331Y2 (en, 2012) | 1990-06-25 |
Family
ID=30746666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18921084U Expired JPH0223331Y2 (en, 2012) | 1984-12-13 | 1984-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223331Y2 (en, 2012) |
-
1984
- 1984-12-13 JP JP18921084U patent/JPH0223331Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223331Y2 (en, 2012) | 1990-06-25 |
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