Belt pre-load device for safety seat belt system of vehicle, has power transmission unit, which engages at rotatably mounted drive wheel during activation of drive unit, where drive wheel is coupled to axle of belt retractor

The device (18) has a drive unit, and a power transmission unit, which engages at a rotatably mounted drive wheel during activation of the drive unit. The drive wheel is coupled to an axle (A) of a belt retractor (10), where the power transmission unit is made of a ductile material that is plastical...

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Bibliographische Detailangaben
1. Verfasser: KOPETZKY, ROBERT
Format: Patent
Sprache:eng ; ger
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Zusammenfassung:The device (18) has a drive unit, and a power transmission unit, which engages at a rotatably mounted drive wheel during activation of the drive unit. The drive wheel is coupled to an axle (A) of a belt retractor (10), where the power transmission unit is made of a ductile material that is plastically and elastically deformable. The drive wheel intrudes into the material of the power transmission unit during the activation of the drive unit. Ein Gurtstraffer (18) für ein Sicherheitsgurtsystem hat eine Antriebseinheit (28) und ein Kraftübertragungselement (24), das bei Aktivierung der Antriebseinheit (28) an einem drehbar gelagerten Antriebsrad (22) angreift, welches an die Achse (A) eines Gurtaufrollers gekoppelt oder ankoppelbar ist. Das Kraftübertragungselement (24) besteht aus einem substantiell verformbaren Material.