|
(11) | EP 0 044 626 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
|
|
|
|||||||||||||||
| (54) | Drums |
| (57) A drum shell (18) is formed with tone subchambers (13, 14, 15) established by a wall
(11, 12) of cross-section that may be at least a part of a circle and having a rounded
top edge in sealing engagement with the drum head (16) with the volumes of the subchambers
(13,14,15) being different to produce different pitch tones when the drum head (16)
is struck above the different chambers. |