| 摘要 |
A drive hub spindle assembly for use in connection with a cylindrical broom (12) is provided which enhances power transmission and facilitates drive hub/spindle engagement. The drive hub (10) includes three radially projecting lugs (24) for engaging mating recesses (72) of the spindle (60). A novel reinforcing structure (52) associated with each of the lugs (24) is also disclosed. The hub (10) is self-centering and requires minimal manipulation during engagement.
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