Vehicle seat with a deformable backrest

US7874618B2 · kind B2 · utility

Assignee

• GRAMMER AG · DE

Inventors

• Josef Kohl · Hirschau, DE
• Christian Erker · Usingen, DE

Key dates

• Filing date: Apr 10, 2006
• Grant date: Jan 25, 2011
• Expiry date: Apr 10, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/643
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a vehicle seat with a backrest (1) and a seat part (2a), wherein the seat part (2a) can be displaced in the forward and backward direction (4) with respect to a base frame (3, 11) and the backrest (1) has a lumbar spine region (14) which can be deformed in the forward and backward direction (13), wherein a rocker-like element (8) is provided which is arranged in the lumbar spine region (14) such that it can pivot about a horizontally running pivot axle (9), said rocker-like element extending at least partially along the longitudinal direction of the backrest, wherein the pivot axle (9) can be displaced together with the seat part (2a) in the forward and backward direction (4) and a pivotable section (8b) of the rocker-like element (8) is attached to the base frame (3, 11) in a backrest region of the base frame (3, 11).