JPH02142431U - - Google Patents
Info
- Publication number
- JPH02142431U JPH02142431U JP4888089U JP4888089U JPH02142431U JP H02142431 U JPH02142431 U JP H02142431U JP 4888089 U JP4888089 U JP 4888089U JP 4888089 U JP4888089 U JP 4888089U JP H02142431 U JPH02142431 U JP H02142431U
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- intake hole
- shutter
- ventilation
- closing
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4888089U JPH02142431U (ko) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4888089U JPH02142431U (ko) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02142431U true JPH02142431U (ko) | 1990-12-03 |
Family
ID=31566083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4888089U Pending JPH02142431U (ko) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02142431U (ko) |
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1989
- 1989-04-27 JP JP4888089U patent/JPH02142431U/ja active Pending