Acoustic headgear-sun visor assembly
US4802243A · kind A · utility
46Cited by
23References
3Claims
0Family size
Inventor
Key dates
| Filing date | Oct 26, 1987 |
| Grant date | Feb 7, 1989 |
| Priority date | — |
| Expiry date | Oct 26, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/3967
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An acoustic headgear-sun visor assembly for use by pilots, users of Walkman-type radio and tape deck assemblies, users of noise attenuation devices and the like. The assembly comprises a headpiece including a flat band support member. A split bolt having a bifurcated shank receives the flat band support member. A sun visor is mounted on the split bolt in an angularly adjustable friction fit, enabling shifting it between operative and inoperative positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.