The present invention is an elastic miniaturized hinge for flex temples with an articulation trolley provided at least with a seat for the housing of the spring. A box is placed along the temple of the glasses. A housing along the box contains an articulation trolley. The articulation trolley includes at least one spring and is contained inside of the box, while the portion that includes the articulation exits from the front end of the box. The tie-rod body of the articulation is provided with a base, being provided with at least one seat that houses the rear end of the corresponding spring. Peripherally with respect to the opening of the housing, at least one guiding zone is obtained. Furthermore, the protrusion is provided with a guiding seat with an opening along the front profile and longitudinally projected with respect to the sliding longitudinal axis of the articulation trolley.