Acoustical vehicle horn with improved vent
US4763109A · kind A · utility
5Cited by
11References
3Claims
0Family size
Inventor
Key dates
| Filing date | Jan 2, 1986 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Jan 2, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K9/13
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The motor chamber of an automotive vehicle horn is vented to the atmosphere through a hole in the diaphragm. The hole is located on a vibratory portion of the diaphragm and is laser drilled to obtain an accurately dimensioned hole with smooth edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.