Floor tom free-suspension system
US6222107A · kind A · utility
7Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 15, 2000 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | May 15, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D13/28
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A floor tom free-suspension system has a drum main body, three support rods, a counterhoop, an annular ring, a collar, a plurality of U-shaped positioning plates, a plurality of U-shaped pressing plates, and a plurality of butterfly bolts. A plurality of positioning fasteners are disposed on the drum main body. The collar encloses a lower rim, of the drum main body. The annular ring encloses the collar. The counterhoop encloses an upper rim of the drum main body. Each of the support rods is fastened on the annular ring by a U-shaped positioning plate and a butterfly bolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.