Patent ID: 6575530
Filing Date: 2003-06-10
Classification: A47C

Abstract:
A device for lumbar support for an office chair having a seatback including a seatback frame with a membrane stretched over it, the device being arranged behind the membrane and housed in the seatback frame, wherein the device is adjustable in height and horizontally extendible independent from the membrane, is characterized in that it is made up of the following parts:a) a central part having two rigid carrier elements, which are connected to each other via an elastic element arranged in the center and which on an outside have a guide track on each side, the guide tracks being arranged in the seatback frame with sliding adjustment, b) a cushion attached to an upholstery plate as a front part arranged facing the membrane, and c) a plastic plate as a rear part, whereby d) the cushion and the plastic plate are connected via a clip connection and the clip connection is guided in slots of the carrier element.