| 摘要 |
The invention relates to an agitator with an improved structure and more particularly to a spiral ramp agitator used in the full automatic washer. The agitator of the present invention is composed of such improved structure that the vanes are formed in a particular shape increasing gradually in the width and thickness downwardly from the top to the lower end and have the spaces in the inner parts, the front and rear parts of the vanes have different gradient and curvature, a step is formed between the bell-shaped expansion part and the circular base and accordingly the bell-shaped expansion part and the circular base are formed in a shape of step, and the stirring projections extended in one piece along the lower end of each vane are arranged radially on the circular base. Furthermore, the agitator of the invention has advantages in that its mechanical strength is increased preeminently so that its use life is prolonged and its washing power is improved.
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