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    • 4. 发明授权
    • Apparatus for reducing webbing wind-up force
    • 减轻织带卷起力的装置
    • US4723728A
    • 1988-02-09
    • US797947
    • 1985-11-14
    • Shigeyasu KanadaYuji Nishimura
    • Shigeyasu KanadaYuji Nishimura
    • B60R22/44B60R22/34B65H75/48
    • B60R22/44
    • An apparatus for reducing webbing wind-up force has a ratchet which rotates together with a take-up shaft for winding up a webbing, a rocker arm with a pawl engageable with the ratchet, a bidirectional solenoid for causing the rocker arm to pivot, and a snap action spring. When an occupant has the webbing fastened, the bidirectional solenoid is activated for a predetermined period of time so that the pawl is engaged with the ratchet, and thereafter, the rocker arm is held in its engagement position by the action of the snap action spring. When the occupant unfastens the webbing, the bidirectional solenoid is activated for a predetermined period of time in the direction opposite to that in the above operation so that the pawl is disengaged from the ratchet, and thereafter, the rocker arm is held in its disengagement position by the action for the snap action spring. Thus, it is possible to reduce the amount of electric power consumed by the bidirectional solenoid.
    • 一种用于减轻织带卷绕力的装置具有棘轮,该棘轮与用于卷绕织带的卷取轴一起旋转,具有可与棘轮接合的棘爪的摇臂,用于使摇臂枢转的双向螺线管,以及 一个快速动作的春天。 当乘员具有紧固的织带时,双向螺线管被激活预定的时间段,使得棘爪与棘轮接合,此后通过弹簧弹簧的动作将摇臂保持在其接合位置。 当乘员松开织带时,双向螺线管在与上述操作相反的方向上被激活预定时间段,使得棘爪与棘轮脱离,此后摇臂保持在其脱离位置 通过弹簧弹簧的动作。 因此,可以减少由双向螺线管消耗的电力量。