Lug structure of drum
US7781658B2 · kind B2 · utility
0Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2008 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Dec 31, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D13/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The lug structure of a drum for installing a drum head on a drum shell according to the present invention, includes: a lug base which is installed on the drum shell; a lug which is held by the lug base, and which supports one end of a tightening bolt; and a lug movement restraining portion which is provided between the lug base and the lug, and includes a shaft-shape portion provided on the lug, two planar portions are provided on the lug base, and the two planar portions extends substantially parallel to a shaft line of the shaft-shape portion and is contactable with the shaft-shape portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.