ES204002U - Useful to hope holes. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Useful for countersinking holes, characterized essentially by being constituted from a first piece, which has a cylindrical area whose lower base projecting a frustoconical extension provided with a concentric and circular blind hole in its lower base oriented to the front, while the the upper base of said cylindrical area emerges centrally an externally threaded appendix and from which a long shank is derived as the area of application of the piece to the rotary machine in question, having provided for the practice of a wide groove of constant width and depth, running in the direction of the generatrices, affects substantially the frustoconical, cylindrical and filleted appendage, which ranure defines the partial housing for a trapezoidal blade, which is removably installed, with its long side facing the bottom of the groove, with the aid of conventional clamping devices threaded into holes per pendular to the parallel faces of said groove, with the particularity of the said piece of housing, by embedding its cylindrical area and conical trunk, in the recess that in correspondence offers a second piece, of external lateral surface also cylindrical truncated cone, which second piece, like the first, has a groove in the same arrangement to allow the exit of the blade linked to the first mentioned piece, having also provided that the intimate unión of both pieces is determined by the presence of a threaded sleeve in the threaded section of the internal part and fixed to the external part by means of incidental screws in an annular groove that such an external part has superiorly, this positioning of said sleeve being ensured with the application of a threaded nut also in the threaded appendix the internal piece. (Machine-translation by Google Translate, not legally binding)