EP 0044626 A2 19820127 - Drums.
Title (en)
Drums.
Title (de)
Trommel.
Title (fr)
Tambour.
Publication
Application
Priority
US 17095080 A 19800721
Abstract (en)
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.
IPC 1-7
IPC 8 full level
G10D 13/00 (2006.01); G10D 13/02 (2006.01)
CPC (source: EP)
G10D 13/02 (2013.01)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0044626 A2 19820127; EP 0044626 A3 19820203; AU 7242481 A 19820128; DK 322881 A 19820122; JP S5752094 A 19820327; NO 812468 L 19820122
DOCDB simple family (application)
EP 81302833 A 19810623; AU 7242481 A 19810701; DK 322881 A 19810720; JP 10755481 A 19810709; NO 812468 A 19810717