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A drawer runner having telescopic rods sliding on balls, and consisting of extruded aluminum tubular sections. The rods are characterized by a rhomboidal tubular section having arched sides, sliding in another tubular section having a square cross-section and rounded edges, so as to form four identi

A drawer runner having telescopic rods sliding on balls, and consisting of extruded aluminum tubular sections. The rods are characterized by a rhomboidal tubular section having arched sides, sliding in another tubular section having a square cross-section and rounded edges, so as to form four identical sliding tracks for the balls, staggered at 90°, and delimited externally by the rounded corners of the external section and internally by the arched sides of the internal section.

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A runner having telescopic rods for furniture pull-outs, comprising tubular sections of extruded aluminium whereby the: a first section (1) having a flat flange (1a), connected by a first rib (1b) to a first tubular element (1c), having a rhomboidal cross-section, with four identical internal angles

A runner having telescopic rods for furniture pull-outs, comprising tubular sections of extruded aluminium whereby the: a first section (1) having a flat flange (1a), connected by a first rib (1b) to a first tubular element (1c), having a rhomboidal cross-section, with four identical internal angles and four arched sides; a second section (2) having a tubular element (2c) identical to that (1c) of said first section (1), which is connected at its bottom, by means of a second rib (2b) to a third tubular element (2a), having a square cross-section, with rounded angles and a center slot (2d) on its base, intersected by said first rib (1b) of said first section (1); a third section (3) having a fourth tubular element (3a), identical to said third tubular element (2a) of section (2) characterized by side walls which extend upwards to couple with a horizontal flange (3f) above which and upper wall of said fourth tubular element (3a) is enclosed and concealed; a number of collars (8), each having a longitudinal slot (8a) at its bottom and having four rows of regularly spaced holes (8b) staggered at 90°, housing balls (7), which fit into four longitudinal sliding tracks, delimited internally by the said arched sides of the first and second tubular elements with rhomboidal cross-section (1c and 2c) and externally by rounded edges of the said third and fourth tubular elements with square cross-section (2a and 3a).