Patent · US Expired

Crash-active headrest

US7195313B2 · kind B2 · utility

27Cited by

19References

23Claims

0Family size

Assignee

KEIPER GMBH & CO. KG · DE

Inventors

Daniel Hippel · Winnweiler, DE
Harald Klein · Bessenbach, DE
Jurgen Schilling · Oberndorf am Neckar, DE
Andreas Diehl · Kaufbeuren, DE

Key dates

Filing date	Nov 23, 2005
Grant date	Mar 27, 2007
Priority date	—
Expiry date	Nov 23, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60N2/888
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

In a headrest (201) for a vehicle seat, having a support (205), at least one upper and lower linkage (211, 215) hinged to the support (205), which are pivotable around horizontal axles (207, 217), an impact element (213) hinged to the linkages (211, 215), which forms at least one four-bar linkage (219) with the linkages (211, 215) and the support (205), and an energy storage, the energy storage driving the four-bar linkage (219) in the event of a crash, so that the impact element (213) is driven out forwardly from an initial position into a crash position that is locked rearward by a crash lock, a drive (271) is provided by way of which, in normal use, the headrest (201) can be brought from its initial position to at least one other comfort position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.