Shock-absorbing braking device for sliding panels and doors

A shock-absorbing braking device (10) for sliding doors (88) or for wardrobe panels, provided with a carriage (12) with wheels (14) sliding in an extruded profile (16) with the lower base provided with a slot (18) extending longitudinally from which a pin or bolt (20) projects which connects said carriage (12) to said sliding door or wardrobe panel (88), characterized in that it comprises a containment shell (24), formed of opposite and complementary elements (28), in which at least one helical spring (26) and a shock-absorbing piston (30) are placed, acting in conjunction with a shaped cam (56) with an appendage forming a traction hook (62) suitable to abut an activator (78) extending in said extruded profile (16), said shaped cam (56) being provided on opposite sides with a pin (64) designed to slide along a mixtilinear cavity (66, 66′) extending longitudinally along the inner face of each of said elements (28) forming the containment shell (24), further comprising a slider (34) provided at the front with an integral appendage (54) substantially cylindrical and extending horizontally for the connection of said slider to the shaped cam (56) at a seat (58) with a substantially semi-circular profile formed along said cam, one of the ends of the helical springs (26) and of the piston (30) being connected to the slider (34).