FRAME METAL SUPPORT MADE OF SPECIAL PROFILE Russian patent published in 1994 - IPC

FIELD: mining-extractive industry. SUBSTANCE: protrusion made of special profile is mounted between capping and post which form connection unit. Bottom and flanges of special profile form top surface and lower support surface correspondingly and are made in form of cylindrical-shape protruding members; generatrices of the units are disposed in perpendicular to longitudinal axis of capping. Flanges of special profile of the protrusion are fastened to distance rectangular to form closed cavity; the distance rectangular is mounted onto top end of the post. Such a construction of connection unit provides tight caving of capping onto posts. EFFECT: improved serviceability; improved reliability of operation. 3 cl, 3 dwg