Improved cushion mechanism for sliding doors, which is installed in the profile - lower guide rail, on both sides of a door, as a complement of two upper shock-absorbing mechanisms characterized in that it has a cylinder (1.1) inside which is housed a spring (1.3), placed between the bottom of said cylinder and the plunger (1.4) which is fixed to one end of the steel stem (1.2). The other end of the steel rod (1.2) is fixed by pressure to a piece of plastic which is the plastic sliding head (2). The upper part of this sliding head (2) has a "T" shape, whose upper horizontal stick is housed in the profile - lower rail (5), on which it slides. The cylinder (1.1) is fixed to the profile - lower rail (5) by the cylinder support to the rail (3), through the slots (3.4). This part is immobilized when adjusting the captive screw (3.1), and the nut (3.2) against the profile - lower rail. On the other hand, the cylinder holder support to the rail (3), is fixed in a precise and determined position to the cylinder (1.1), by means of the positioner (1.5) that fits in the rectangular hole (3.3), of said support. (Machine-translation by Google Translate, not legally binding)
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