VERTICAL FRAME OF METAL Russian patent published in 2011 - IPC E04G7/30 

FIELD: construction.

SUBSTANCE: vertical frame of metal comprises at least one first vertical stand and rod-like horizontal cross beam passing from it in transverse direction, preferably perpendicularly, which are permanently joined to each other. On stand there is permanently fixed at least one first disk with holes equipped with several openings, arranged concentrically to stand to cover stand as a flange, on stand there is the first fixture provided at the distance from disk with holes to fix fall protection device, cross beam has the first connection head on the first end and has the second connection head at the opposite second end, with the help of which cross beam is rigidly fixed on the second vertical stand with formation of vertical frame, the first connection head, preferably each connection head is limited with side parts of walls, which have vertical external surfaces meeting in the centre in a wedge-like manner, vertical external surfaces make a wedge angle between each other, making preferably around 45 degrees, the first connection head, preferably each connection head has the upper part of head and lower part of head, between upper part of head and lower part of head there is a slot provided open towards corresponding stand and to vertical external surfaces, the first connection head, preferably each connection head is put with its slot onto disk with holes entering it at least partially, the first connection head, preferably each connection head is permanently connected with appropriate stand and preferably also to according disk with holes.

EFFECT: simplicity of assembly and disassembly of structure, universality and reduction of costs for manufacturing, combination and possibility to use various joints for horizontal and diagonal rod-like elements.

27 cl, 59 dwg