| 摘要 |
A brake having axially-expanding brake shoes, comprises an actuating block radially located in a peripheral annular groove formed in a rotating member. The actuating block possesses along its axis, a plurality of cylinders in which slide pistons which apply the brake shoes against the braking surfaces formed by the opposite radially-extending faces of the groove. According to the invention, the actuating block comprises a single, solid, center support plate, and the ends of the cylinders project axially over the transverse faces of this support plate. |
