| 摘要 |
A disc brake (10) comprises a hub (4) mounted to rotate about a central axis (1), a disc (6,8) axially slidably mounted on the hub (4) to rotate in use with the hub (4) and axially slide along the hub (4) parallel to the axis (1), and a plurality of force applicators (40,60,80,100,120,140,160,180,210) mounted between the hub (4) and disc (6,8) to apply in use a circumferentially-directed biasing force (F1,F2,F3,F6,F7, F9, F10) between the disc (6,8) and hub (4). The disc (6,8) is axially slidably mounted on the hub (4) by a plurality of radially projecting teeth (30) which are slidingly engaged in a corresponding plurality of axially extending slots (32), with the teeth (30) and slots (32) having respective circumferentially facing drive faces (34,36)which abut in use against each other. The force applicators (40,60,80,100,120,140,160,180,210) acting between the disc (6,8) and hub (4) at a location spaced from the in use abutment of the drive faces (34,36) of the teeth (30) and slots (32).
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