Importance

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Abstract

The invention relates to motorized adjustable back support for recliner chair comprising a back frame and means for transforming the power of a motor to a rotational movement of a horizontal rotation bar which is rotationally connected to the frame. The back support further comprises two adjustment arms each fixed on each side of the rotation bar close to the respective sides of the frame wherein the adjustments arms are parallel and have a flexible elongate unit stretching between their respective outer ends, and wherein the adjustment arms can move from a neutral to an extended position, corresponding to a rotation of the rotation bar. Furthermore the flexible elongate unit is rotationally connected to the end of each adjustment arm and the backrest comprises an incision into which the flexible elongate unit is positioned, wherein the incision starts near a rear bottom corner of the backrest over the full width of the backrest and extends upward and into the backrest in such a way that the flexible elongate unit is positioned where the lower back of a user is expected to be, wherein the incision is lined with a wear resistant, low friction material.

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First Claim