Instrumental mute
US4273022A · kind A · utility
12Cited by
5References
11Claims
0Family size
Inventor
Key dates
| Filing date | Nov 21, 1979 |
| Grant date | Jun 16, 1981 |
| Priority date | — |
| Expiry date | Nov 21, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D9/06
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An instrumental mute is provided which is capable of use as a `straight,` `cup` or `wah-wah` type mute in muting sounds produced by wind instruments. The apparatus comprises a vessel 1 internally divided into first and second adjacent chambers 9 and 10 respectively, support means 5 enabling the vessel to be secured within an instrument bellmouth and including a cylindrical portion allowing communication between the chambers 9 and 10, the vessel 1 being displaceable along an extension 12 by rotation about screw thread 18, to open or close the instrument bellmouth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.