Adjustment device graduable, perfected (Machine-translation by Google Translate, not legally binding)

摘要

Improved adjustable adjustment device, which is provided to constitute a means of regulation in the positioning of certain displaceable parts, being especially applicable in the adjustment of vice screws or the like, and the device being constituted by a cylindrical body with one of its beveled ends to determine a seating surface on the part that is intended to be adjusted in positioning with respect to another fixed part; counting it with a hole in which such a cylindrical body is housed, and provided with said hole a thread to receive the coupling of a threaded screw whose end rests against a small pin lodged in a blind hole provided for that purpose in the body cylindrical, the threaded screw also being affected by an axial and through hole of polygonal configuration for the introduction of a tool by means of which the device is tightened, characterized in that the small pin housed in the cylindrical body is affected in two of its generatrices diametrically opposite of respective grooves in which respective projections provided for this purpose fit on the internal surface of the hole corresponding to the aforementioned cylindrical body, constituting a guiding and non-rotating means of said small bo it being provided that it has at its internal base a blind hole in which one of the ends of a helical expansion spring is housed, the other end of which is positioned in a cavity provided in the bottom of the blind hole corresponding to the cylindrical body; and with the particular feature that the surfaces or contact bases of the small bolt and the threaded screw have a plurality of complementary teeth arranged according to the respective annular zones or crowns of said bases or contact surfaces of said two parts. (Machine-translation by Google Translate, not legally binding)