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    • 86. 发明授权
    • Seat belt retractor
    • 安全带卷收器
    • US4620677A
    • 1986-11-04
    • US689684
    • 1985-01-08
    • Kosuke NagaoShuzo IshiiNoriyasu ShinkaYoshihiro MaenoNaoki Morita
    • Kosuke NagaoShuzo IshiiNoriyasu ShinkaYoshihiro MaenoNaoki Morita
    • B60R22/44B60R22/48B60R22/34
    • B60R22/44
    • A seat belt retractor including a main body, a spindle rotatably journaled to the main body having a seat belt wound around the outer periphery thereof, a stopper having teeth formed at the top end thereof for engaging with external gear to inhibit the rotation of the external gear, a solenoid plunger associated with a switch in buckle parts fitted to the seat belt, a friction plate having a pair of spaced first and second projections and a recess formed therebetween with an inclined edge for controlling the movement of the stopper in such manner that, when the solenoid plunger is not actuated, the stopper is located in a non-engaging position to the external gear to enable freely pulling out and rewinding of the seat belt. When the solenoid plunger is actuated by the operation of the buckle parts, the first projection or the inclined edge of the friction plate inhibits the stopper from engaging with the external gear to allow the rewinding of any slack of the pulled out seat belt. When the seat belt is again pulled out in this state, the stopper engages with the external gear to inhibit the spindle from rotating in the belt-rewinding direction, but permits the rotation in the direction of pulling out the seat belt while tightening the auxiliary spring.
    • 一种安全带卷收器,包括主体,可旋转地轴颈连接到主体上的主轴,其具有围绕其外周缠绕的安全带;具有形成在其顶端的齿的止动件,用于与外齿轮接合以阻止外部的旋转 齿轮,与安装在座椅安全带上的带扣部件中的开关相关联的螺线管柱塞,具有一对间隔开的第一和第二突起的摩擦板和在其间形成的凹部,其具有用于控制止动件的运动的方式, 当螺线管柱塞未被致动时,止动件位于与外齿轮不接合的位置,以便能够自由地拉出和重绕安全带。 当螺线管柱塞通过带扣部件的操作致动时,摩擦片的第一突起或倾斜边缘阻止止动件与外齿轮接合,以允许拉出的安全带的任何松弛物的倒带。 当在这种状态下再次拉出安全带时,止动器与外齿轮接合,以防止主轴在带重绕方向上旋转,而允许在拉紧辅助弹簧的同时沿着拉出安全带的方向旋转 。