Patent ID: 6350941
Filing Date: 2002-02-26
Classification: G10D

Abstract:
A drumhead for use in conjunction with a drum shell comprising:a drumhead sheet having a top surface and a bottom surface, a central axis perpendicular to said surfaces, said sheet terminating in a peripheral edge; a drumhead hoop coaxially aligned with said sheet and having a hoop axial height, an annular upper inner edge at a first diameter and an annular lower inner edge at a greater second diameter and an inner surface connecting said upper inner edge to said lower inner edge, said inner surface comprising a first portion parallel to said central axis and a second portion, said second portion defining a conical surface extending between said first portion and said lower inner edge having a constant angular orientation &bgr; to said central axis and an axial height of at least one half the hoop axial height; and means for securing said drumhead sheet peripheral edge to said hoop.