| 摘要 |
A variable-speed belt drive assembly (10) comprises a rotatable hub (16) and a plurality of pulley segments (26), wherein each pulley segment (26) has a curved outer surface (28) adapted to engage a drive belt. A plurality of slider devices (23) is provided, wherein each slider device (23) has an outer end attached to a corresponding one of the pulley segments (26), and wherein each slider device (23) has an inner end slidably received by the hub (16). Moreover, an actuator device (40) is provided for moving the pulley segments (26) inwardly and outwardly with respect to the hub (26). |
