DISK BRAKE, DRUM BRAKE, VENTILATED DISK BRAKE, AND LEADING TRAILING TYPE DRUM BRAKE

摘要

PROBLEM TO BE SOLVED: To provide a ventilated disk brake having improved brake braking force.SOLUTION: A ventilated disk brake A includes: a disk hub 2 connected to a wheel hub 1 to which a wheel is attached; a disk 3 that is formed around the disk hub 2, and in which a plurality of ventilation passages 34 is provided; and a brake caliper 4 for fastening the disk 3. Outer peripheral surfaces 35, 36 of friction circular rings 31, 32 integrally connected by a plurality of connection bodies 33 are subjected to surface grinding at a minute amount by a grindstone rotating at high speed.SELECTED DRAWING: Figure 1