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    • 70. 发明授权
    • Wiper home position stop device
    • 刮水器原点位置停止装置
    • US4700026A
    • 1987-10-13
    • US841158
    • 1986-03-19
    • Akira KamiyamaMasahide YamadaKatsuyoshi KitadaMasayoshi OtukaEtsuro Kanematsu
    • Akira KamiyamaMasahide YamadaKatsuyoshi KitadaMasayoshi OtukaEtsuro Kanematsu
    • B60S1/08B60S1/16F16H1/22H01H19/00
    • F16H1/225B60S1/08B60S1/16Y10S318/02
    • A wiper driving unit for driving a wiper for a vehicle such as a motor vehicle includes: a driving gear driven by a motor, for driving the wiper; and a clutch member formed of a conductive resilient plate, rotatably supported and rotatable together with the driving gear in the biasing direction only when the driving gear is rotated in the biasing direction. An engageable member on the driving side is projectingly provided on the driving gear, and an engageable member on the driven side is connected in operational association to the clutch member. The engageable member on the driving side and the engageable member on the driven side are engaged with each other to rotate the driving gear together with the clutch member in the same direction only when the driving member is rotated in the biasing direction. However, when an external force to rotate the driving gear in the reverse direction is applied, the both engageable members are disengaged from each other, and the clutch member does not follow the rotation of the driving gear in the reverse direction, whereby chattering is prevented which is caused by a relative backwardly moving phenomenon between the conductor plates connected to an electric circuit of the motor and a plurality of contacts provided on the clutch member.
    • 用于驱动诸如机动车辆的车辆的刮水器的刮水器驱动单元包括:由马达驱动的用于驱动刮水器的驱动齿轮; 以及离合器构件,其由导电弹性板形成,只有当驱动齿轮沿着偏置方向旋转时,可以与驱动齿轮一起在偏压方向上可旋转地支撑和旋转。 驱动侧的可啮合部件突出地设置在驱动齿轮上,并且从动侧的可接合部件与离合器部件联动地连接。 驱动侧的可接合构件和从动侧的可接合构件彼此接合,以便仅当驱动构件沿着偏置方向旋转时,使驱动齿轮与离合器构件一起沿相同的方向旋转。 然而,当施加使驱动齿轮沿相反方向旋转的外力时,两个可接合构件彼此分离,并且离合器构件不沿着相反方向跟随驱动齿轮的旋转,从而阻止颤动 这是由连接到电动机的电路的导体板和设置在离合器构件上的多个触点之间的相对向后移动现象引起的。