Protective helmet assembly including releasable head retaining assembly
US5044016A · kind A · utility
64Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1987 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Dec 23, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S2/909
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
As improved protective helmet assembly including an outer shell and an inner impact attenuation liner assembly wherein a chinstrap assembly is mounted to the inner impact attenuation liner assembly and the inner impact attenuation liner assembly is mounted within the outer impact shell to detach under predetermined load conditions from the outer impact shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.