Locking mechanism

US9643569B2 · kind B2 · utility

Assignee

• TRW AUTOMOTIVE GMBH · DE

Inventors

• Thomas Kielwein · Mutlangen, DE
• Elmar Koch · Eslohe, DE

Key dates

• Filing date: Jul 30, 2013
• Grant date: May 9, 2017
• Expiry date: Sep 2, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R22/38
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A locking mechanism (18) for a belt reel (10) of a belt retractor in a vehicle, including a carrier (22) coupled to the belt reel (10) of the belt retractor, an inertia mass (24) which is pivoting to a limited extent relative to the carrier (22) and a leaf spring (28) applying the inertia mass (24) in a home position, includes at each of the carrier (22) and the inertia mass (24) a seat (34, 36) for the spring ends (30, 32) of the leaf spring (28) in which the spring ends (30, 32) of the leaf spring (28) are pivoted to a limited extent.