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    • 101. 发明授权
    • Drum practice pad
    • 鼓练习垫
    • US4102235A
    • 1978-07-25
    • US716014
    • 1976-08-19
    • Laurence G. Le Masters
    • Laurence G. Le Masters
    • G10D13/02G10D13/06
    • G10D13/06G10D13/029
    • A practice pad for a drum or similar percussion instrument of the type fabricated of a construction material having sound-muffling characteristics and used in a directly supported position on the playing head of the drum, in the use of which all auxiliary structure to hold the pad on the drum vibrating playing head, and thus keep it in place, is eliminated. This is done simply by the advantageous selection of an appropriate weight oil-tanned leather as the construction material for the pad. In use, this specifically selected material has the proper weight to dampen, and thus muffle the drum auditory output and, also, by its sheer weight maintains a flat, surface-to-surface contact with the vibrating drum playing head, thus obviating any need for appropriate clamps or other structural members which typically are attached to the drum and to the pad.
    • 一种用于鼓或类似的打击乐器的练习垫,其类型由具有声音消声特性的建筑材料制成,并用于滚筒的演奏头上的直接支撑位置,所述辅助结构的所有辅助结构用于保持鼓 在鼓上振动播放头,从而保持在适当位置,被消除。 这是通过有利的选择适当的重量的油鞣革作为垫的建筑材料来完成的。 在使用中,这种特别选择的材料具有适当的阻尼重量,从而消除鼓的听觉输出,并且通过它的纯粹重量与振动鼓播放头保持平坦的表面到表面的接触,从而避免了任何需要 用于适当的夹具或通常附接到滚筒和垫的其它结构构件。