Helmet
US6105172A · kind A · utility
26Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1997 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Jul 28, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/283
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In accordance with one aspect of this invention, provided in the cap body of a helmet is an air exhaust passage, the foremost end of which is near the upper end of the inner surface of a shield plate and, in accordance with another aspect of this invention, both an air exhaust passage and an air supply passage are provided in the cap body of a helmet and both can open and close with a common shutter. According to this helmet, a draft necessary for the defogging of the inner surface of the shield plate, the ventilation of the inside of the cap body and so forth can be effectively produced despite its simple structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.