ADJUSTABLE SUPPORT Russian patent published in 2004 - IPC

FIELD: building industry, particularly structures for building raised floor of deck and/or beams with providing under-floor area for installing service lines. SUBSTANCE: floor support has upper plate, fixedly connected with threaded rod and lower plate connected with tubular member. Free end of threaded rod is inserted into tubular member connected with rectangular lower plate such that threaded rod may perform axial motion into tubular member. Threaded rod has nut for adjusting insertion depth thereof. Lower and upper plates are formed as discs and have central orifices for fixedly securing thereof with tubular member and threaded rod. Annular grooves are made around plate orifices. Radial reinforcing ribs extend from each annular groove such that peripheral circular area is formed between rib ends and disc end. Peripheral circular area width is greater than or equal to disc thickness. EFFECT: increased structure bearing capacity. 6 cl, 3 dwg