Disc-brakes, especially for automobile vehicles

A disc brake comprising a fixed support, a disc rotatably mounted with a shaft to be braked, a major part of the fixed support being substantially parallel to said disc, a brakeshoe disposed on each side of said disc for movement perpendicular to the plane of said disc, a transfer member mounted on said fixed support for movement perpendicular to the plane of the disc, a hydraulic operating unit acting directly on a first of said brakeshoes and indirectly on a second of said brakeshoes through said transfer member, resilient means for urging said transfer member into contact with retaining stop means, two brackets fixed to said major part of said fixed support and projecting outwardly from the side of said major part remote from said disc, each bracket having a flat surface perpendicular to said disc and to said major part and defining one of said retaining stop means, said flat surfaces being disposed in a common plane that is perpendicular to a radial plane that includes the axis of the disc and that bisects said transfer member, said transfer member having two laterally projecting substantially cylindrical coaxial lugs the common axis of which is parallel to said common plane and to the plane of the disc, said lugs being in line contact with and movable along said flat surfaces of said brackets, and each said lug being disposed between the said flat surface of the associated said bracket and the axis of said disc.