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    • 1. 发明授权
    • Fall board structure for keyboard instrument
    • 键盘乐器的落地板结构
    • US6130371A
    • 2000-10-10
    • US211721
    • 1998-12-14
    • Yasushi Inoue
    • Yasushi Inoue
    • G10B3/00G10C3/02G10C3/12G10H1/32
    • G10C3/02
    • A fall board structure is provided for a keyboard instrument having a keyboard, in which a plurality of keys are arranged between side arms, to actualize light, comfortable and safe operations of a fall board. The fall board structure is basically constructed by arms, torque shaft units and rotation members. Herein, the arm is fixed to a side end of the fall board, so that it rotates in response to rotary movement of the fall board, while the torque shaft unit is fixed to the side arm of the keyboard, wherein it has a shaft portion which rotates in accordance with the rotary movement of the fall board. The rotation member is constructed by a clutch portion and a in lever portion, which is brought into contact with a lower edge portion of the arm at a contact point. The shaft portion of the torque shaft unit engages with the clutch portion of the rotation member equipped with a one-way clutch mechanism such that the clutch portion locks the shaft portion when the shaft portion rotates in a counterclockwise direction corresponding to a close operation direction of the fall board while the clutch portion releases the shaft portion when the shaft portion rotates in a clockwise direction corresponding to an open operation direction of the fall board. Thus, only in a close operation mode of the fall board, the torque shaft unit produces resistance force, which is transmitted to the arm via the contact point.
    • 提供了一种用于具有键盘的键盘乐器的倒板结构,其中多个键布置在侧臂之间,以实现坠落板的光线,舒适和安全的操作。 坠落板结构基本上由臂,扭矩轴单元和旋转构件构成。 这里,臂固定在坠落板的侧端,使其随着坠落板的旋转运动而旋转,同时扭矩轴单元被固定在键盘的侧臂上,其中它具有轴部分 其根据坠落板的旋转运动而旋转。 旋转构件由离合器部分和杠杆部分构成,其在接触点处与臂的下边缘部分接触。 扭矩轴单元的轴部与具有单向离合器机构的旋转构件的离合器部接合,使得离合器部分在轴部沿对应于闭合操作方向的逆时针方向旋转时锁定轴部 当所述轴部沿对应于所述坠落板的打开操作方向的顺时针方向旋转时,所述离合器部分释放所述轴部。 因此,仅在坠落板的关闭操作模式下,扭矩轴单元产生通过接触点传递到臂的阻力。
    • 4. 发明授权
    • Key guide for electronic musical instrument
    • 电子音乐仪器主要指导
    • US3693492A
    • 1972-09-26
    • US3693492D
    • 1971-02-08
    • NIPPON MUSICAL INSTRUMENTS MFG
    • OHNO JUNJI
    • G10H1/053G10B3/00G10B3/12G10H1/055G10C3/12
    • G10H1/055G10C3/12
    • For an electronic musical instrument including a keyboard wherein sound can be produced by depressing a key of the keyboard and vibrato or like effect can be produced by vibrating the depressed key to right and left; a key guide which comprises guiding members which are fixed in position and project at their upper ends into recesses formed underside of the keys, respectively, the upper end of each guiding member having a transverse width substantially narrower than that of the recess, and caps of elastic material each fixed around the upper end of the guiding member and having thin wall portions, integrally formed therewith, projecting laterally beyond the both sides of the cap so as to make slidable contact with inside surfaces of the corresponding key, whereby the thin wall portions of each cap permit the lateral vibration of the key, also serving to properly guide the key in vertical direction when the key is depressed downward.
    • 对于包括键盘的电子乐器,其中通过按下键盘的键可以产生声音,并且可以通过向左和向左振动所按下的键来产生颤音等效果; 一种键导向器,其包括引导构件,所述引导构件分别固定在位置并且在其上端突出到形成于所述键的下侧的凹部中,每个引导构件的上端具有基本上比所述凹部基本上窄的横向宽度, 弹性材料各自固定在引导构件的上端周围并且具有与其一体形成的薄壁部分,其横向突出超过盖的两侧,以便与相应键的内表面滑动接触,由此薄壁部分 每个盖子允许钥匙的横向振动,当钥匙向下按压时,也用于在垂直方向上正确地引导钥匙。
    • 7. 发明授权
    • Keyboard musical instrument having an improved cover opening/closing
mechanism
    • 具有改进的盖打开/关闭机构的键盘乐器
    • US5973241A
    • 1999-10-26
    • US1862
    • 1997-12-31
    • Naoya Tetsumura
    • Naoya Tetsumura
    • G10B3/00G10C3/02G10H1/32
    • G10C3/02Y10S206/816Y10S84/17
    • A keyboard musical instrument has a sliding manual cover comprised of a main cover and a sub cover. The main cover is slidable on manual cover guides in forward and rearward directions with respect to the main body between an open position and a closed position. An engaging member is provided on a predetermined portion of the main cover at or closer to an end thereof toward the open position. The sub cover is flexibly coupled to the main cover. A guide device, formed preferably by pinions and guide channels, is provided in the main body in engagement with the sub cover and downwardly guides the sub cover as the main cover is slided on the cover guides toward the open position. At least one support member is mounted in the main body for pivotal movement in the forward and rearward directions, on one end of which is provided an arm which is disposed to engage the engaging member when the main cover is slided on the cover guides toward the open position.
    • 键盘乐器具有由主盖和副盖组成的滑动手动盖。 相对于主体,主盖可以在手动盖板导向件的前后方向上滑动,打开位置和关闭位置之间。 接合构件设置在主盖的预定部分上或更接近其端部朝向打开位置。 副盖柔性地联接到主盖。 导向装置优选地由小齿轮和引导通道形成,主体与副盖接合并且当主盖在盖导轨上向着打开位置滑动时向下引导副盖。 至少一个支撑构件安装在主体中用于在前后方向上的枢转运动,其一端设置有臂,当主盖片滑动到盖导轨上时,该臂设置成与接合构件接合 开仓