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2. 发明授权

US4235455A Vehicle seat belt retractor mechanism 失效
标题翻译：车载安全带卷收机构
公开(公告)号：US4235455A
公开(公告)日：1980-11-25
申请号：US29410
申请日：1979-04-12
申请人： Alford F. Collins , Bill A. Dixon
发明人： Alford F. Collins , Bill A. Dixon
IPC分类号： B60R22/08 , B60R22/40 , B60R22/41 , B60R22/48 , B60R21/10
CPC分类号： B60R22/41
摘要： A seat belt inhibitor system is designed to prevent door mounted inertial seat belt retractor 14 from locking the seat belt webbing 13 whenever the door is opened. The retractor pendulum 31, sensitive to acceleration, moves the locking bar 28 upward locking the retractor and prevents the belt webbing from paying out. An electromagnet 36, when energized, attracts a leaf spring 37 extending from the locking bar inhibiting movement of the latter. System inhibiting is initiated by closing either a door latch switch 42 or a door release handle switch 41. At low accelerations (occurring while the door is being opened), the locking bar 28 is restrained by the electromagnet 36 through the leaf spring 37. If the system should fail such that the electromagnet was energized while the door is closed, high acceleration of the pendulum would force the locking bar up, locking the retractor. Deenergizing occurs normally whenever the door is closed.
摘要翻译：安全带抑制器系统被设计成防止门安装的惯性安全带卷收器14每当门打开时锁定安全带织带13。对加速度敏感的牵开器摆31向上移动锁定杆28，锁定牵开器，防止皮带织带退出。电磁铁36在通电时吸引从锁定杆延伸的板簧37，阻止其运动。通过关闭门闩开关42或门释放手柄开关41来启动系统禁止。在低加速度（门被打开时发生）时，锁定杆28通过板簧37被电磁体36约束。如果系统应该失效，使得电磁铁在门关闭时通电，摆锤的高加速度将迫使锁定杆向上，锁定牵开器。每当门关闭时，通电就会发生。

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