Seat belt tensioner

US7607604B2 · kind B2 · utility

Assignee

• TAKATA CORPORATION · JP

Inventors

• Walter Scherzinger · Ulm, DE
• Roland Schnabl · Ulm, DE
• Thomas Schwer · Illertissen, DE

Key dates

• Filing date: Apr 12, 2006
• Grant date: Oct 27, 2009
• Expiry date: Jun 1, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2022/4685
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The disclosed seat belt tensioner may comprise a drive motor, a gear connected to the drive motor, and a seat belt spindle connected to the gear by a spindle clutch. The spindle clutch may have spindle clutch pawls, which engage in pawl teeth of the seat belt spindle to couple the seat belt spindle and the gear. The spindle clutch may also comprise a synchronization pawl configured to alit the pawl teeth before the spindle clutch pawls engage in the pawl teeth.