1 fig1 and 2 schematically represent the braking gear in accordance with one embodiment of the invention which comprises brake shoes 2 pivotally joined with levers 3 and 4 which in their turn are mounted on the common pivot pin 6 connected to the base 5 levers 3 and 4 are interconnected by means of the resilient means 7 comprising a compression spring 13 which acts towards the pressing brake shoes 2 to the disk 1 the spring being enclosed inside a cylindrical housing 14 to guard it against soiling and environmental effects the present embodiment of the invention utilizes two identical compression springs 13 fig3 operating simultaneously with the aim of balancing the entire braking gear however for simplicity of the disclosure only one spring will be referred to hereinafter besides other structurally differing devices such as tension springs or air operated power cylinders can be used as the resilient means 7 the compression spring 13 is connected with its one end through cylindrical housing 14 to the base 5 and through levers 3 and 4 to the pivot pin 6 and with its other end it is hinged to levers 3 and 4 through a rod 15 and two identical tie rods 16 and 17 interconnected by the articulation joint turning on a pivot pin.