| 摘要 |
An improved agitator construction is provided for an automatic clothes washing machine in which a surface or contour of a vane carried on a portion of the agitator which is intermittently rotated in a single direction is shaped to enhance engagement between the vane and the items being washed and to retard the items from moving at least one of radially and upwardly relative to the agitator. The vane, which may be a helical vane, may be provided with a lower surface angled downwardly and outwardly in a radial direction, or may be provided with one or more steps having a relatively steep sloped wall facing in a direction leading away from the direction of rotation of the agitator and a relatively shallow sloped wall facing in a direction leading toward the direction of rotation of the agitator, or both shapes.
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