Device programming times with butts drive incorporated for time switches essentially characterized by comprising two discs mounted enfrentedamante each other, provided in their sides or flat faced, a plurality of grooves or radial channels covering the entire periphery, which grooves both upper and lower disc remain facing and dresses to accommodate abutments sliding drive on slots treasury, introducing the bottom disc in their radial grooves and with her singing periférico recesses or cleft sideways to stay ratchets solidarity with stops drive in your position, providing the bottom disc entire outer periphery of a step where you are staying and fixed by conventional means, a retaining arillo stops in drive locked position, preventing its detachment. (Machine-translation by Google Translate, not legally binding)
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