Seatbelt tensioner with a force-limiting device, and method thereof

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United States of America Patent

PATENT NO 9908505
SERIAL NO

13885224

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A belt tensioner for a belt retractor having a load limiter includes a pivoted pinion (14) coupled to a belt reel, a drive unit and a load transmission element (20) moved by the drive unit. The load transmission element (20) engages in the pinion (14) so as to rotate the pinion in a tensioning direction A. The load transmission element (20) is designed so that in the rotational position adopted by the pinion (14) after being rotated by the load transmission element (20) a part (20b) of the load transmission element (20) engages in the pinion (14). A method of tensioning a seat belt by means of a belt tensioner and subsequent load limitation by means of a load limiter includes moving a load transmission element (20) by a drive unit in a first direction so that the load transmission element (20) engages in a pinion (14) coupled to a belt reel (12). The rotating the pinion (14) is rotated by the moved load transmission element (20) in a tensioning direction A. When the rotation of the pinion (14) is completed it is ensured that a part (20b) of the load transmission element (20) engages in the pinion (14).

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Patent Owner(s)

Patent OwnerAddress
TRW AUTOMOTIVE GMBH56033 KOBLENZ

International Classification(s)

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  • 2011 Application Filing Year
  • B60R Class
  • 1540 Applications Filed
  • 1203 Patents Issued To-Date
  • 78.12 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201120122013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gentner, Bernd Ellwangen/Pfahlheim, DE 18 102
Moedinger, Thomas Alfdorf, DE 11 110
Pregitzer, Andreas Ellenberg/Krassbronn, DE 8 73

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Patent Citation Ranking

  • 1 Citation Count
  • B60R Class
  • 21.41 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges30197410019632101 - 1011 - 2021 - 3031 - 4041 - 5061 - 7071 - 8005010015020025030035040045050055060065070075080085090095010001050

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