US Patent 7905849 Back brace frame with two individual power modules

A waist support frame for a detachment type waist protecting belt to hold the vertebra region of a vertebra related patient is provided. The frame is comprised of two back rest frames, two Y-shape hinges, two power modules, two pullers, two sets of strings each of them are engaged and connects on one part (upper- or lower-part) of the two power modules, and two set of broad bands. Each power module is equipped with twelve pair of pulling code conveying mini rollers. String arrangement through these twelve pair of rollers enables the inventor to provide a waist support frame that can be used by a user whose one hand is not available without rotating the frame around the user's body with only one hand.