Patent ID: 7832816

Claim:
An improved frame used to support pull-out and rotating racks for cabinets, of the type composed of: a cabinet (C) having a bottom (A) and a top (B), a rack ( 1 ) having a bearing structure with a crosspiece ( 3 a or 3 b ), a lower semi-frame (TI) and an upper semi-frame (TS), a telescopic guide ( 4 ) with a sliding rod ( 4 a ), a cover ( 5 ) fixed to the sliding rod ( 4 a ) of the telescopic guide ( 4 ), and supporting mechanisms ( 6 , 8 , 10 , 11 , 12 , 13 ) that guarantee a correct, safe movement of the rack, at least one boxed track ( 14 ), with U-shaped cross-section, which houses the telescopic guide ( 4 ), the cover ( 5 ) and the crosspiece ( 3 a or 3 b ) of the bearing structure of the rack ( 1 ); the boxed track ( 14 ) having borders ( 14 a ), said boxed track suitable to be fixed on the bottom (A) or top (B) of the cabinet (C), the borders ( 14 a ) of said boxed track ( 14 ) being positioned, due to their height, close to the crosspiece ( 3 a or 3 b ) of the rack ( 1 ), when the rack ( 1 ) is partially inserted or non completely pulled-out, said borders ( 14 a ) of the boxed track ( 14 ) being no more close to the crosspiece ( 3 a or 3 b ) of the rack ( 1 ), when the rack ( 1 ) is completely pulled-out, wherein the supporting mechanisms used to guarantee the correct, safe movement of the rack ( 1 ) comprise a pair of small wheels ( 11 ) that idle around a vertical axis and are partially contained and sliding in corresponding support brackets ( 12 ) fixed at the two ends of the cover ( 5 ), in such a way that the small wheels ( 11 ) snap-in with corresponding stop and self-centering jaws ( 13 ), which rotate with the frame ( 1 ).