| 摘要 |
A juice extractor may include a juice extraction assembly and a drive assembly connected thereto. The drive assembly may include a shaft, at least one cam having a hub, and a shaft-hub coupler frictionally securing the shaft and the hub of the at least one cam together. For example, the at least one cam may include at least one cup-drive cam. Each of the shaft and the hub of the at least one cup-drive cam may be cylindrically shaped and devoid of keying. Accordingly, the cup-drive, shaft-hub coupler permits ready attachment of the cup-drive cam to the drive shaft. One or more orifice tube-drive cams may be similarly secured to the shaft with a frictional shaft-hub coupler.
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