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    • 7. 发明授权
    • Power transmission
    • 电力传输
    • US08454445B2
    • 2013-06-04
    • US12602477
    • 2008-05-20
    • Kazuhiko TakaiSueji HirawatariToshiki Fukasawa
    • Kazuhiko TakaiSueji HirawatariToshiki Fukasawa
    • F16D9/04
    • F16D9/04F16D3/60F16D2300/10Y10T477/638
    • A power transmission in which a driven body and a drive body for driving the driven body are rotated in the same direction and are coupled through a coupling portion, transmission of torque from the drive body is interrupted when the driving load of the driven body exceeds a predetermined level, and the coupling portion is constituted by combining members different from each other of a positive torque transmission member for transmitting torque in the direction of forward rotation and interrupting transmission of torque from the drive body by its own fracture when the driving load of the driven body exceeds the predetermined level and a negative torque transmission member capable of transmitting torque in the direction of reverse rotation. At a contact portion between the positive torque transmission member and the negative torque transmission member, interposed is a surface layer composed of a different kind of material from a material composing the positive and negative torque transmission members. Reliability and durability of the power transmission can be improved by preventing occurrence of melt-adhesion, abrasion or rust at the contact portion between the members constituting the coupling portion.
    • 驱动本体和驱动本体的驱动体在相同方向上旋转并通过联接部联接的动力传递装置,当从动体的驱动负荷超过 并且联接部分通过将正转矩传递部件彼此不同的构件组合,用于在正向旋转的方向上传递扭矩并且通过其自身的断裂中断来自驱动体的扭矩的传递而构成 驱动体超过预定水平,以及能够沿反向旋转方向传递扭矩的负转矩传递部件。 在正转矩传递构件和负转矩传递构件之间的接触部分处,设置有由构成正转矩传递构件和负转矩传递构件的材料的不同种类的材料构成的表面层。 通过防止在构成联接部的构件的接触部分发生熔融粘附,磨损或锈蚀,可以提高动力传递的可靠性和耐久性。
    • 8. 发明申请
    • POWER TRANSMISSION
    • 电力传输
    • US20100144450A1
    • 2010-06-10
    • US12602931
    • 2008-05-27
    • Kazuhiko TakaiSueji HirawatariToshiki Fukasawa
    • Kazuhiko TakaiSueji HirawatariToshiki Fukasawa
    • F16D9/04
    • F16D9/04
    • A power transmission device having a coupling portion of a driven body and a drive body constituted by combining a positive torque transmission member for transmitting torque in forward rotational direction but interrupting transmission of torque from the drive body by breaking itself when the drive load of the driven body exceeds a predetermined level, with a separate negative torque transmission member for transmitting torque in reverse rotational direction is further provided with a means for generating pretension in the positive torque transmission member in the pulling direction and simultaneously generating a pretension in the negative torque transmission member in the compressing direction after both torque transmission members are combined. A highly reliable power transmission device which can impart a desired pretension precisely and conveniently, and can interrupt torque properly by suppressing fatigue of material at the coupling portion can be provided.
    • 一种动力传递装置,其具有被驱动体的联接部和驱动体,该驱动体通过组合用于在正向旋转方向上传递扭矩的正转矩传递部件,但是当驱动体的驱动负载被驱动时,通过断开自身而中断来自驱动体的转矩传递 在反转方向上传递扭矩的单独的负转矩传递部件还设置有用于在牵引方向上在正转矩传递部件中产生预张力的装置,同时在负转矩传递部件中产生预张紧力 在两个转矩传递构件组合之后的压缩方向上。 可以提供一种高度可靠的动力传递装置,其能够精确而方便地赋予所需的预紧力,并且可以通过抑制联接部件处的材料的疲劳来适当地中断转矩。