Musical drum
US4869146A · kind A · utility
25Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 3, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Feb 3, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D13/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A musical drum is disclosed having an outer cage to which both top and bottom counterhoops are connected in an independently adjustable manner. An intermediate hoop (16) is provided between the top and bottom counterhoops (20, 22) to which a plurality of adjusting bolt assemblies (34, 24) for the top and bottom counterhoops (20, 22) are connected. The adjusting bolt assemblies (34) for the bottom counterhoop (22) are circumferentially offset with respect to the adjusting bolt assembles (24) for the top counterhoop (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.