JPH0429624U - - Google Patents
Info
- Publication number
- JPH0429624U JPH0429624U JP6927090U JP6927090U JPH0429624U JP H0429624 U JPH0429624 U JP H0429624U JP 6927090 U JP6927090 U JP 6927090U JP 6927090 U JP6927090 U JP 6927090U JP H0429624 U JPH0429624 U JP H0429624U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- opening
- memory alloy
- closing plate
- shape memory
- 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 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6927090U JPH0429624U (cs) | 1990-06-28 | 1990-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6927090U JPH0429624U (cs) | 1990-06-28 | 1990-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429624U true JPH0429624U (cs) | 1992-03-10 |
Family
ID=31604427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6927090U Pending JPH0429624U (cs) | 1990-06-28 | 1990-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429624U (cs) |
-
1990
- 1990-06-28 JP JP6927090U patent/JPH0429624U/ja active Pending