JPH052572Y2 - - Google Patents
Info
- Publication number
- JPH052572Y2 JPH052572Y2 JP16637288U JP16637288U JPH052572Y2 JP H052572 Y2 JPH052572 Y2 JP H052572Y2 JP 16637288 U JP16637288 U JP 16637288U JP 16637288 U JP16637288 U JP 16637288U JP H052572 Y2 JPH052572 Y2 JP H052572Y2
- Authority
- JP
- Japan
- Prior art keywords
- slit
- knob
- base plate
- helmet
- slits
- 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.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 28
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 2
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16637288U JPH052572Y2 (zh) | 1988-12-22 | 1988-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16637288U JPH052572Y2 (zh) | 1988-12-22 | 1988-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0287028U JPH0287028U (zh) | 1990-07-10 |
| JPH052572Y2 true JPH052572Y2 (zh) | 1993-01-22 |
Family
ID=31453691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16637288U Expired - Lifetime JPH052572Y2 (zh) | 1988-12-22 | 1988-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052572Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4592871B2 (ja) * | 2000-05-09 | 2010-12-08 | 株式会社Ｓｈｏｅｉ | ヘルメット |
-
1988
- 1988-12-22 JP JP16637288U patent/JPH052572Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0287028U (zh) | 1990-07-10 |
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