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    • 41. 发明专利
    • Keystroke device of piano
    • PIANO的KEYSTROKE设备
    • JP2005049697A
    • 2005-02-24
    • JP2003282938
    • 2003-07-30
    • Kawai Musical Instr Mfg Co Ltd株式会社河合楽器製作所
    • ISHIDA MUNEO
    • G10B3/12G10C3/12G10C3/16
    • G10C3/12
    • PROBLEM TO BE SOLVED: To provide a keystroke device of a piano in which an adjusting range of static loading applied to the playing side tip of a key is made wider. SOLUTION: The keystroke device of a piano is located at the top section of a key 21 and has a first weight lever 31 which is placed close to an action section 25 and rotates in conjunction with the motion of the key 21 and a second weight lever 41 which is placed on the top section of the first weight lever 31 and rotates with the motion of the first weight lever 31. Since the second weight lever 41 is placed away from the action section 25, the degree of freedom in the shape and the arrangement is made greater for the second weight lever 41 and as a result, the adjusting range of static loading applied to the playing side tip of the key 21 is made wider. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种钢琴的击键装置,其中施加到琴键的演奏侧尖端的静态加载的调整范围变宽。

      解决方案:钢琴的击键装置位于键21的顶部,并且具有第一配重杆31,该配重杆31靠近动作部25放置并与钥匙21的运动一起旋转, 第二配重杆41放置在第一配重杆31的顶部,并随着第一配重杆31的运动而旋转。由于第二配重杆41远离动作部25放置,因此, 形状,并且对于第二重量杆41的布置更大,结果,施加到键21的演奏侧尖端的静态加载的调节范围变得更宽。 版权所有(C)2005,JPO&NCIPI

    • 42. 发明专利
    • Keyboard
    • 键盘
    • JP2003084754A
    • 2003-03-19
    • JP2001272746
    • 2001-09-07
    • Kawai Musical Instr Mfg Co Ltd株式会社河合楽器製作所
    • KUGIMOTO HIDENORIISHII ATSUSHIOKUBO KENICHI
    • G10C3/12
    • G10C3/12
    • PROBLEM TO BE SOLVED: To provide a keyboard which enables a user to easily attach weights and to easily adjust the touch weight while using substitute materials taking place of the weights as materials of the weights. SOLUTION: The keyboard has a freely oscillatable keyboard body 2 which is formed with burying pores 9 and a weight 4 which is composed of materials exclusive of the lead, has a screw thread 4a on their outer peripheral surfaces, is freely attachably and detachably attached to the keyboard body 2 by being screwed into the burying pores 9 by means of the screw thread 4a and impart weight to the keyboard body 2. The weight 4 comprise one of a plurality of kinds of the weights 4A to 4C varying in weight from each other.
    • 要解决的问题:提供一种键盘,其使用户能够容易地安装重物并且在使用代替重量的替代材料作为重物的材料的同时容易地调节触摸重量。 解决方案:键盘具有自由振动的键盘体2,其形成有埋入孔9和由排列不同的材料构成的重物4,其外周表面上具有螺纹4a,可自由地附接和可拆卸地附接到 键盘体2通过螺纹4a拧入埋入孔9中并赋予键盘体2.重量4包括彼此重量变化的多种重物4A至4C中的一种 。