ADJUSTABLE SUPPORT STRUCTURE Russian patent published in 2004 - IPC

FIELD: building industry, particularly structures for supporting raised floor beams at demanded height along with providing access into under-floor area. SUBSTANCE: structure has lower plate, threaded post with nut connected by one end with disc-like upper plate. Upper plate has pairs of slots extending along perimeter thereof. Slots are opened from peripheral plate side. 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. Lower and upper plates have central orifices for fixedly securing ends if tubular member and threaded rod accordingly. Cavity made around each orifice has depth not exceeding plate thickness. Distance between opposite slots having longitudinal axes extending along common line is not more than 2/3 disc diameter. EFFECT: increased structure bearing capacity. 5 dwg