ES249488U - Safety lock (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

1.safety lock, of the type comprising a housing forming body and protection for the mechanisms, accessible at both ends, corresponding to the two faces of a door, including a drum, a cylinder and a clutch transmitter shaft for a projection cam, essentially characterized in that the body comprises a fork-shaped piece arranged longitudinally, with one of its ends associated to each of the halves symmetrically of the body, with a sloping surface forming a notch for housing, together with a perforation of the body, of a retention device for the cylinder, constituted by a ball pushed by a piston and a helical spring, with the cylinder of each half of the body, in the area corresponding to its embouchure, longitudinal elements in radial arrangement, defining longitudinal housings for the functional projections of the actuating key, the end of the which is in contact, once inserted in the mouth of the lock, with one end of the transmitter shaft, which is constituted by a central cylindrical body and at their ends separate necks with similarly cylindrical terminations, with grooved conjugate notches of an internal tooth of the cylindrical element forming the cam cam. 2.safety lock, according to the preceding claim, characterized in that the drum, provided with multiple longitudinal and equidistant cylindrical perforations, is conjugated of a group of pistons pushed by two coil springs in conjugation with the pistons of the cylinder, which will be positioned to in turn according to the different longitudinal edges of the projections, in the form of radially oriented ribs, of the functional part of the actuating key. 3. Security lock. (Machine-translation by Google Translate, not legally binding)