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    • 8. 发明授权
    • SEAT BELT RETRACTOR
    • 座椅皮带回收器
    • EP1212214B1
    • 2004-04-21
    • EP00932209.0
    • 2000-05-10
    • Breed Automotive Technology, Inc.
    • BLACKADDER, DavidSMITHSON, Alan GeorgeHARTE, Joseph Patrick
    • B60R22/34
    • B60R22/3413B60R2022/287
    • A seat belt retractor has a spool (1) on which seat belt webbing is wound, arranged for rotation about its longitudinal axis, for payout and winding in of seat belt webbing. A torsion bar (11) is coaxial with the spool and has one end fixed to the spool. A ratchet (9) is fixed to the other end of the torsion bar and a toothed wheel (10) is fixed to the spool to rotate with the spool. A pivoting lock bar (6) extends across the length of the spool, having at least one pawl (7, 8) fixed at each end, to engage with the toothed wheel and with the ratchet respectively. The pawl on the spool side is arranged to be weaker than the other pawl so as to shear under a predetermined force to allow the spool to rotate and the torsion bar to twist.
    • 座椅安全带卷收器具有安全带织带卷绕在其上的卷轴(1),布置成绕其纵向轴线旋转,用于放出和卷绕安全带织带。 扭杆(11)与阀芯同轴,其一端固定在阀芯上。 棘轮(9)固定在扭杆的另一端,齿轮(10)固定在阀芯上与阀芯一起旋转。 枢转锁定杆(6)延伸穿过线轴的长度,每个端部固定有至少一个棘爪(7,8),以分别与齿轮和棘轮接合。 卷轴侧的棘爪被设置成比另一个棘爪弱,以便在预定的力下剪切以允许卷轴旋转并且扭杆扭转。