Patent · US Expired

Lumbar support adjustment mechanism

US6260921A · kind A · utility

92Cited by

39References

37Claims

0Family size

Assignee

Teknion Furniture Systems Limited · CA

Inventors

Zooey C. Chu · Grand Rapids, US
Harald Wurl · Kleinsendelbach, DE
Hermann Bock · Pyrbaum, DE

Key dates

Filing date	Feb 25, 1999
Grant date	Jul 17, 2001
Priority date	—
Expiry date	Feb 25, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47C7/465
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A chair back is provided with an adjustable lumbar support member. The vertical height of the lumbar support member and/or the amount of lumbar support which is provided by the chair back may be adjusted. The controls for adjusting the lumbar support member are positionable on the sides and the rear surface of the chair back.

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