Device for blocking and/or clamping fasteners of boring heads, drilling spindles, mandrels, long pincers and other mechanical parts

摘要

1. Locking and/or securing device for modular attachments of boring heads and bars, pump chucks, long grippers, or other mechanical parts constituted by a screw (1), fixed in a capped bore of the drive shaft (2) at a certain distance from an application face (5) of the part to be driven (4), and by a groove (3) provided on the part to be driven (4) and in which the distance (y) from the bottom to the application face (5) of the part to be driven (4) is less than that (x) of the screw (1) from said face (5), characterized in that the screw (1) has a spherical end and in that the groove (3) is longitudinal and semi-cylindrical and is inclined with respect to the generatrix of the part to be driven (4).