| 摘要 |
<p>A drive clutch assembly (30) having a fixed sheave (44) and a movable sheave (46) rotatable with the drive shaft (28) of an engine comprising a variable rate biasing or resistance system for urging a movable sheave (46) toward a retracted position, the biasing system initially applies a first predetermined resistance to the movable sheave (46) as it moves toward the fixed sheave (44) and applies a second predetermined resistance to the movable sheave (46) when the movable sheave (46) reaches a predetermined axial position.</p> |
