Protective helmet with self-contained air pump
US5083320A · kind A · utility
109Cited by
52References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1990 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Dec 24, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/122
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A protective helmet having an outer shell and an inner liner is disclosed. The liner includes a plurality of air compartments interconnected by a number of air channels. A self-contained, tactile actuatable air pump is mounted to the helmet so as to be carried thereby even when the helmet is in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.