Abstract: Locking system for furniture drawers, including a rivet attached to the drawer which operates a locking device, all these locking devices are correlated through a base-plate fitted to the piece of furniture. The drawers have a height (H) such that this is a multiple of a predetermined dimension (d1). Each locking device includes a rocker, for actuation by the rivet, incorporated in a one-piece element bearing a surface cam for the rivet and a T-shaped back projection for sliding thereof in the base-plate. The height (m) of the one-piece element is such that the predetermined quantity (d1) is a multiple of said height (m); in such a way that the one-piece elements of the system interlock. The rivet is positioned at a distance (Z) from the side that is a multiple of the height (m) of the one-piece element.

Abstract: Locking system for furniture drawers, comprising a rivet attached to the drawer which operates a locking device, wherein all these locking devices are correlated through a base-plate fitted to the piece of furniture. The drawers have a height (H) such that this is a multiple of a predetermined dimension (d1). Each locking device consists in a rocker, for actuation by the rivet, incorporated in a one-piece element bearing a surface cam for the rivet and a T-shaped back projection for sliding thereof in the base-plate. The height (m) of the one-piece element is such that the predetermined quantity (d1) is a multiple of said height (m); in such a way that the one-piece elements of the system interlock. The rivet is positioned at a distance (Z) from the side that is a multiple of the height (m) of the one-piece element.

Abstract: A blocking system for file cabinets that including a pull shaft (c) linked to each drawer/guide (c), a support platen (1) fastened to the furniture, which defines a groove-rail (11) with at least two sections (11a and 11b) angled between each other, a mobile blocking element (2) outfitted with two emerging bolts (2a and 2b) that can move linearly, guided on the groove-rail (11) upon being pulled with the movement of the corresponding shaft (e), and mobile arms (3a and 3b) that are aligned between each other and which can move linearly within a maximum amplitude (a) on a vertical rail (12) defined on the support platen (1) where they are guided.

Abstract: A blocking system for file cabinets that consists of a pull shaft (e) linked to each drawer/guide (c), which operates a corresponding blocking device, and all the blocking devices of all the drawers are correlated to each other such that opening one of them prevents all others from being opened: It consists of a support platen (1) fastened to the furniture, which defines a groove-rail (11) with at least two sections (11a and 11b) angled between each other, a mobile blocking element (2) outfitted with two emerging bolts (2a and 2b) that can move linearly, guided on the said groove-rail (11) upon being pulled with the movement of the corresponding shaft (e), and mobile arms (3a and 3b) that are aligned between each other and which can move linearly within a maximum amplitude (a) on a vertical rail (12) defined on the support platen (1) where they are guided. Applicable to officer furniture and similar furniture.

Abstract: Master-keyed pin tumbler lock and relative master-key, where each pin has an inner window with an outer protuberance, which a spring acts upon and an inner projection, which the key acts upon, giving rise to the movement of the pin. The inner projections are at different heights and the pins are placed so that some move in one direction and others in the opposite direction, each pin having, in its inner window, a step placed on the opposite side to that of the inner projection. On one of the sides of the key there is a notch whose minimum width is the distance between the maximum level reached by the projections of the pins that move in one direction and the maximum level reached by those of the pins that move in the opposite direction; on the opposite side they have a double serration combined with the steps of the inner windows of the pins.