发明名称 FIXAÇÃO DE MONTAGEM DE UM SISTEMA DE AMORTECIMENTO AJUSTÁVEL PARA UMA CABEÇA DE TAMBOR
摘要 An externally mounted adjustable damping system for drumhead allows the sound characteristics of a drum to be easily adjusted without disassembly of the instrument. The externally mounted adjustable damping system includes a mounting fixture adhesively attached to the outside surface of a drumhead. The mounting fixture defines an annular channel for receiving damping elements of various materials and configurations. The damping elements may be rings or segments of vibration absorbent material placed to achieve the desired sound pattern from the instrument.
申请公布号 BR0104085(B1) 申请公布日期 2014.08.26
申请号 BR20010104085 申请日期 2001.09.17
申请人 JAMES D`ADDARIO & COMPANY, INC. 发明人 ROBERT A. GATZEN;DONALD R. DRESSLER
分类号 G10D13/00;G10D13/02 主分类号 G10D13/00
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