Articulated earmuff-to-headband attachment construction
US4471496A · kind A · utility
173Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1983 |
| Grant date | Sep 18, 1984 |
| Priority date | — |
| Expiry date | Jun 27, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/60
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed an acoustic earmuff device wherein there is provided an articulated earmuff-to-headband attachment construction which is readily fabricated and assembled and which provides sufficient freedom of pivotal motion of the earmuff relative to the headband as to allow each earmuff to readily assume the proper wearing position with respect to the head of the user. The invention utilizes a soft resilient grommet fitted through an aperture in the back wall of a rigid earcup to articulatingly capture a rigid stud extending inwardly from an end portion of a resilient headband.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.