Patent ID: 6692081
Filing Date: 2004-02-17
Classification: A47C

Abstract:
A method of providing support to a target region of a back of a seated person between the 2nd lumbar vertebrae and the 11th thoracic vertebrae of the spine of the seated person, the method comprising the steps:(a) providing a backrest including a front surface, a back surface, a top and a bottom, said backrest further including a primary support region on said front surface of said backrest, said backrest being positionable to provide primary support to the target region of the spine of the seated person between the 2nd lumbar vertebrae and the 11th thoracic vertebrae, (b) positioning said backrest by adjusting at least one dimension of height, depth, and angle of said backrest so that said primary support region of said backrest contacts the target region of the spine between the 2nd lumbar vertebrae and the 11th thoracic vertebrae of a seated person.