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特許 権利維持 Unlike existing lifting systems that expose their mechanics and detract from the overall aesthetic, my invention maintains a hidden profile in any viewing position. - concealed behind the lifted object, making it invisible from any standard user viewpoint. - vertical lift/drop equivalent to the height of the object; for example, a 95-inch TV can lift/drop by 46 inches. - functional prototype has been tested with a load of 120 lbs. - RF remote control