PNEUMATIC DISC BRAKE DEVICE FOR RAILROAD VEHICLE

摘要

A pneumatic disc brake device for a railway rolling stock which can produce two times the conventional braking force when the brake cylinder diameter is the same comprises first and second brake levers , a pair of brake pads which are mounted through brake heads at one end of the brake levers so as to oppose to a brake disc, and a brake cylinder disposed between the other ends of the first and second brake levers, wherein the brake cylinder comprises a first cylinder part and a second cylinder part disposed in series.