DEVICE FOR FASTENING OF BUILDING STRUCTURES TO ROCK AND STONE MASSES Russian patent published in 2003 - IPC

FIELD: devices for fastening of building structures to rock and stone masses; applicable for fastening of various mechanisms. SUBSTANCE: device includes baseplate with holes through which two anchors with bent ends are passed and installed in boreholes inclined relative to mass surface. Both anchors are made in the form of two straight rods up to point of contact with baseplate, while from baseplate, they have oppositely bent ends tightly fitted to baseplate. It has fastening device in its center for building structure and symmetrical holes for anchors equidistant from center and coaxial to boreholes and having diameter corresponding to diameter of anchors in point of their bending. EFFECT: simple and reliable fastener without use of adhesive or welded or bolted joints. 2 dwg