Mechanical System to move in a back and forth Motion Uniform Elements brackets uniformly increasing speeds.It consists of a tubular Profile (1) preferably rectangular Section with one side under a central longitudinal abertur and (2); a series of small Prismatic Open boxes (3), housed in the tubular Profile (1); pairs of sprockets (56) rotating each housed them in boxes Prismatic (3); and a Conveyor Chain (8) above which engages with a lineup of sprockets (5) boxes (3) and below the Aligning sprockets (6) boxes (3).Aligning sprockets above (5) is increasing correspondingly the number of Teeth of the sprockets, while decreases below the alignment.
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