Precision true hoop for drum
US9390692B2 · kind B2 · utility
2Cited by
3References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2012 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Apr 2, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D13/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The method of drum structure formation that includes forming a strip of metal having an elongated edge into a counter hoop to be supported by a drum shell proximate the drum head, the forming including forming a reduced thickness strip bend proximate the hoop edge area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.