ES203675U - Perfected combination lock. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improved combination lock, which is of the type incorporating a knob with rotating markers on a fixed frame and of which have a series of four discs equipped with opposing stops and a radial groove in its outline, between each of whose discs a washer is inserted which is fixed by an internal projection received in a recess made in the direction of the generatrix of a bushing on which it assembles the set of discs and washers, essentially characterized in that the bushing emerges from the carcass bottom mounted on the rear area of the frame that with the particularity that the first of the disks, which is crossed by the axis of the knob, is mounted inside the bushing by means of a central cylindrical projection, also being characterized because between the fourth disk and the bottom of the housing is a plate with a slot for the passage of the bushing, whose plate has an extension protruding later ally alexterior of the casing, the plate also has a rod that retains the end of a leaf spring, the other end of which is capable of being inserted into the slots of the discs when they are aligned, causing the inward movement of the extension of the plate, the laminar spring being guided constantly towards the disks by the action of two other similar springs arranged integrally in a pin emerging from the bottom of the casing. (Machine-translation by Google Translate, not legally binding)