| 摘要 |
An assembly including an electric motor, a load, and a retainer. The electri c motor can include a shaft that defines a first cross-section that is non-circular and substantially normal to the shaft axis. The load can include a rotating member that define s a bore and first and second apertures in communication with the bore. The bore can be configured to receive at least a portion of the shaft. An opening of the bore can be fully enclose d by a continuous portion of the rotating member. A portion of the bore can define a second cross-section that is non-circular and that corresponds to at least a portion of the first cros s- section. The retainer can extend through the first and second apertures and engage the shaft and thereby substantially prevent axial movement of the shaft relative to the rotating member during normal operation of the electric motor.
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