Protective helmet
US4307471A · kind A · utility
203Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1978 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Jun 29, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A helmet for the protection of sportsmen and/or workers in potentially hazardous occupations is disclosed. In one embodiment the helmet comprises a protective head shell and means to position the helmet on a users head in which the head shell has an outer section slidably connected to an inner section. The outer section is adapted to move relative to the inner section on impact with an object. In another embodiment the helmet further comprises a plurality of cushioning projections located between the two shells, each projection being integrally connected to one of the shells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.