Patent · US Active

Headrest with carrier structure and supporting member

US7717508B2 · kind B2 · utility

2Cited by

4References

9Claims

0Family size

Assignee

C. Rob. Hammerstein GmbH & Co. KG · DE

Inventors

Burckhard Becker · Solingen, DE
Rolf Steinmetz · Mülheim an der Ruhr, DE
Thomas Thiel · Solingen, DE

Key dates

Filing date	Mar 22, 2006
Grant date	May 18, 2010
Priority date	—
Expiry date	Aug 10, 2026

Classification

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

Abstract

The invention relates to a headrest of an automotive vehicle seat, said headrest comprising the following features: a carrier structure comprising at least one bar and being connected to a supporting member, said carrier structure being connected to said supporting member through at least one guide region and said supporting member being movable with respect to said carrier structure along a linear forward path of travel from a normal position of utilization into an accident position in which said supporting member is located both in the x direction and in the z direction in front of the position of utilization, a drive unit being provided, said drive unit comprising a tension spring and a blocking device, said blocking device comprising a first blocking part and a disengagement device, said first blocking part comprising an oblong opening through which engages a driver member of said carrier structure, in the position of utilization the tensile force of said tension spring abutting on said first blocking part and after the disengagement device has been actuated said first blocking part releasing said tension spring.

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