Apparatus for taking up wear in a brake and brake utilizing this apparatus

Automatic apparatus for compensating for wear in a brake with floating front and rear shoes acting on one side and on the other of a disc blocked in translation, comprising at least one guide fixed at one of its extremities to said rear shoe, said at least one guide being parallel to the axis of said disc, said front shoe, and a yoke, being slidably mounted on said at least one guide, means for preventing the escape of said yoke from said guide, means for distributing from one part and the other of the disc the value of the disengagement movement, means for controlling the attraction of said front shoe and said yoke, and, the spacing of said front shoe and said yoke, compensation for wear accruing by limitation of the movement of said front shoe and of said yoke with respect to said disc, being characterized in that it comprises two stops on said at least one guide and two wedges disposed in such a way that for each guide said front shoe and said yoke have their faces which are located away from said disc engaging one of said stops through one of said wedges, and means for urging said wedges to automatically engage more and more between said face and the corresponding one of said stops, whereby in accordance with wear, said wedges separate said yoke and said front shoe.