RIB OF BRAKE BLOCK WITH DOUBLE SHARP BEND AND WIDE SITE Russian patent published in 2014 - IPC F16D65/04 F16D69/00 F16D65/08 

FIELD: machine building.

SUBSTANCE: shoe of a brake block comprises the first rib, the second rib, a pad base arranged along circumference on outer sections of the first and second ribs, and fixation of the return spring. Fixation of the return spring is provided by the first rib, with which the return spring of the brake block is connected so that the central line of the return spring is displaced from the axial central line of the pad base and is arranged in the axial direction between the external edge of the central section of the first rib and the external edge of the second end section of the first rib. The drum brake comprises the brake block shoe.

EFFECT: reduced side load at shoes during operation of a drum brake and elimination of shoe swing or inclination.

20 cl, 5 dwg