| 摘要 |
<p>PURPOSE: To suppress the inclined wear of tangential pads of a brake disc within the limit with a simple, compact device by applying directly and indirectly actuated braking forces to a first arm of low rigidity and a second arm of high rigidity of the brake disc, and setting the rigidity of both arms to such values as to make equal movement at the time of braking. CONSTITUTION: Braking forces E, F are generated to brake pads 64, 66 by a brake disc 12 rotated in an actuating rotating direction B at the time of braking. The braking force E is actually transmitted to only a first arm 20 via a back plate 68 of the directly actuated pad 64 due to a relatively narrow space to the first arm 20. The braking force F is transmitted exclusively to a second arm 22 from a spigot 46 via a bridge part 32 through a back plate 68 of the indirectly actuated pad 66 due to a relatively narrow space to the spigot 46. The lever ratio of the force F on the arm 22 is larger than the lever ratio of the force E on the arm 20, but since the arm 22 is thicker than the arm 20, the arms 20, 22 bend by equal distance in the directions of the braking forces E, F. The pads 64, 66 therefore move by the same distance in the same direction so as to be prevented from inclined wear.</p> |
