Pad with improved sound-reflecting surface for woodwind musical instruments and lubricant to prevent pads from sticking
US6940007B2 · kind B2 · utility
7Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Jul 24, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D9/047
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A pad for musical wind instruments with improved acoustic qualities. The acoustical improvement is achieved by providing a superior sound reflecting surface on the film or skin of the pad that engages with the tonehole.A lubricant for the sealing surface of the pad to prevent the pad from sticking to the tonehole rim.An outer retaining ring used to fasten the film to the pad while an inner collar supports the film and helps to create a smooth pad with a flat surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.