SKEW LINK Russian patent published in 2003 - IPC

FIELD: formation of spatial frameworks, curves and surfaces. SUBSTANCE: members of skew link have shape of regular convex polygons. Each member is hollow. Four joining sides as minimum are uniformly arranged at equal angles over surface of member. Each side is equipped with two kinds of gearing elements placed with alternation over single circumference. Circumference is matched concentrically with outlines of joining side. Gearing elements present through sockets and shaped fingers spring-loaded in openings of above-mentioned side and internal displaced latches. Shell of member can be fitted with four hexagonal joining sides and intermediate triangular sides which can be clear, for example, alternating with them. All ribs embracing sides are united in bearing framework and are equal. External ends of shaped fingers are fitted with recesses and are united by internal parts by means of tabs of flat spring. Displaced latches have variable section, wedge-shaped, in particular and are united with the aid of ring. Ring and spring are jointly centered relative to side. Latches are mounted for their entry into recesses in fingers of adjacent joined member. Ring control is brought outside through slot in intermediate side of member. EFFECT: enhanced variety and stability of specified forms. 2 cl, 2 dwg