Importance

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Abstract

Damper (1) comprising a cylinder (2) containing a damping fluid, at least one piston (3) translatable within said cylinder and defining two damping chambers (4, 5), and a rod (6) for controlling the movement of said at least one piston (3) within said cylinder (2), said damper further comprising at least one first and at least one second narrow passages (7, 8) through which said damping fluid is forced to pass from one to the other of said two damping chambers (4, 5) when said control rod is controllably moved within said cylinder (2), characterized in that said at least one piston (3) is translatable with respect to said control rod (6) on the basis of the speed of said control rod (6), between a first position (P1), in which said at least one piston (3) prevents said damping fluid from passing through said at least one first narrow passage (7) and a second position (P2) in which said at least one piston (3) allows said damping fluid to pass through said at least one first narrow passage (7), and in that it comprises at least one first elastic member (9) constrained to said at least one piston (3) and deformable and/or displaceable with respect to said at least one piston (3) on the basis of the speed of said at least one control rod (6) to prevent said fluid from passing through said at least one second narrow passage (8), at least when said at least one piston (3) is in said second position (P2).

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First Claim