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    • 10. 发明公开
    • CONED DISK SPRING
    • FEDER MIT KONISCHER PLATTE。
    • EP0396755A1
    • 1990-11-14
    • EP89905777.2
    • 1989-05-23
    • TATSUTA ELECTRIC WIRE & CABLE CO., LTD
    • SHIMADA, Toshinori Tatsuta Electric Wire & CableOHGASHI, Shinichi Tatsuta Electric Wire & CableMOTOKAWA, Shigeaki Tatsuta Electric Wire & CableONISHI, Kihachi Tatsuta Electric Wire & Cable
    • F16F1/32F16J3/02G01L9/00H01H13/48
    • F16J3/02F16F1/32F16F1/34G01L9/0044G01L9/007H01H5/30H01H2227/026Y10T29/49609Y10T29/49915
    • This invention relates to a coned disk spring which is used as a diaphragm and a keytop returning spring of a keyboard switch, or the like. The coned disk spring (D) of the present invention has a structure whose corrugated section describes spiral ripples (P) around the center circle (10) of a blank sheet starting at its arbitary circumferential points. The spiral ripples (P) can start at at least two points of equidistant points on the circumference of the center circle and preferably, at odd-numbered equidistant points. The coned disk spring (D) of this invention does not exhibit eccentric stress and operating direction at the time of deflection but undergoes a uniform deflection in a circumferential direction, when it is used as a diaphragm. When it is used as a spring for returning the keytop (43) of a keyboard switch, the pressing force of the keytop (43) is transmitted to the entire region and the spring can undergo smooth deflection and can exhibit a reliable switch operation. It is advisable to support and fix the dish spring (D) of the present invention by applying a tension in a centrifugal direction to the entire circumference of its outer periphery. In this manner, deflection of the entire region of the dish spring can be made uniform.
    • 盘形弹簧本发明涉及一种用作振动板和键盘开关的键盘复位弹簧等的碟形弹簧。 本发明的盘形弹簧(D)具有波纹状部分描绘从其任意圆周点开始的空白片的中心圆(10)周围的螺旋波纹(P)的结构。 螺旋纹波(P)可以在中心圆的圆周上的等距点的至少两点开始,优选地以奇数等距点开始。 本发明的碟形弹簧(D)当用作隔膜时,在偏转时不显示偏心应力和操作方向,而是在圆周方向上发生均匀的偏转。 当用作用于返回键盘开关的键顶(43)的弹簧时,键顶(43)的按压力被传递到整个区域,并且弹簧可以经受平滑的偏转并且可以表现出可靠的开关操作。 建议通过向其外周的整个周边施加离心方向的张力来支撑和固定本发明的碟形弹簧(D)。 以这种方式,可以使碟形弹簧的整个区域的偏转均匀。