Height-adjustable shelving unit for hi-fi equipment uses pre-fabricated standard parts secured to shelving via threaded bolts fitting through threaded sleeves or bores provided on either side of each part

摘要

The height-adjustable shelving unit has the height adjustment elements assembled from pre-fabricated standard parts, of wood, plastics, or metal, until the required height is attained, each provided with a threaded sleeve or bore on each side, for reception of threaded bolts for fixing the height adjustment elements to the shelving.