Seat belt retractor

US10518741B2 · kind B2 · utility

Assignee

• TRW AUTOMOTIVE GMBH · DE

Inventors

• Anna Grosskopf · Schwäbisch Gmünd, DE
• Jens Bohn · Alfdorf, DE
• Thomas Kielwein · Mutlangen, DE
• Beate Pfister · Bietigheim, DE

Key dates

• Filing date: Sep 29, 2015
• Grant date: Dec 31, 2019
• Expiry date: May 11, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2022/288
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

In a seat belt retractor (12) for a vehicle, comprising a frame (14) in which a belt reel (10) is supported which includes a reel body (26) as wed as a first flange (32) and a second flange (34), said flanges being provided at the axial ends (28, 30) of the reel body (26) and each being arranged in a seat (22) of the frame (14), wherein the first flange (32) is rotatable relative to the reel body (26) and wherein between the first flange (32) and the reel body (26) a force limiter is provided, and at the seat (22) locking teeth (24) are provided and at the first flange (32) a toothing corresponding to the locking teeth is provided, the second flange (34) is rotatable relative to the reel body (26) and at the second flange (34) and/or at the reel body (26) interacting stops (50, 54, 58) are provided for limiting rotation of the second flange (34) relative to the reel body (26). Furthermore, the second flange (34) Includes a peripheral wall (44) which encloses the axial end (30) of the reel body (26) facing the second flange (34) in the peripheral direction.