Headrest for a vehicle seat

US5820211A · kind A · utility

Assignee

• TRW Occupant Restraint Systems GmbH & Co. KG · DE

Inventors

• Alexander Heilig · Schwäbisch Gmünd, DE
• Helmut Maiwald · Alfdorf, DE

Key dates

• Filing date: Jul 28, 1997
• Grant date: Oct 13, 1998
• Expiry date: Jul 28, 2017

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/888
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A headrest for a vehicle seat having a backrest comprises a frame securable to the backrest of the vehicle seat, a pad part swivably secured to the frame and a device engaging the pad part which swivels the pad part in the direction of the head of a vehicle occupant in a rear end collision. The device comprise at least one tensioned spring for storing energy. The spring is integrated in the headrest, is relaxed in the case of a rear end collision and results in a swivel movement of the pad part due to the stored energy being liberated.