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发明授权
CN105377640B 用于拉紧未被利用的车辆安全带的安全带伸缩器和方法 有权

用于拉紧未被利用的车辆安全带的安全带伸缩器和方法
摘要：
本发明涉及一种用于座椅安全带的安全带伸缩器(10)，该安全带伸缩器包括安全带卷轴(12)和拉紧装置(16)，安全带(14)能够弹簧加载地缠绕在所述安全带卷轴上，所述拉紧装置能够沿缠绕方向(A)加载安全带卷轴(12)，所述安全带伸缩器设置有控制装置(18)，该控制装置能够在座椅安全带未受载和未被系上时激活所述拉紧装置(16)。
摘要（英）：

In a belt retractor (10) for a seat belt comprising a belt reel (12) onto which webbing (14) can be wound while being spring-loaded and comprising a tensioning device (16) which is adapted to act on the belt reel (12) in a winding direction (A), a control (18) is provided which is adapted to activate the tensioning device (16) when the seat belt is unloaded and not fastened.

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