GROUND ANCHOR Russian patent published in 1995 - IPC

FIELD: securing of structures in ground. SUBSTANCE: device consists of rod and pair of swivel blades. Lower end of rod has thickening portion with vertical slot where pin is movably fitted. This pin is connected with blades by means of brackets. Blades are made in form of curvilinear plates whose convexity is directed to rod which is made of strip whose planes are directed to blades. Stop is made in form of plate whose planes are perpendicular to the planes of strip. Plate is also used as stop engageable with blades during their initial turn. EFFECT: enhanced reliability. 3 cl, 4 dwg