Unidirectional agitation accessory for automatic washer
Patent 3987652 Issued on October 26, 1976. Estimated Expiration Date: 
October 26, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 26, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1704932 1834936 2253989 2331897 2734367 3285040 3330316 3678714 D196194 InventorApplicationNo. 575730 filed on 05/08/1975US Classes:68/134, Impellers366/238, With stirrer74/126Oscillation or reciprocation to intermittent unidirectional motionExaminersPrimary: Coe, Philip R.International ClassD06F 13/00 (20060101)AbstractAn agitator accessory for washing machines having an oscillating vertical-axis agitator, the accessory comprising a sleeve which is securable to the barrel of the agitator in coaxial alignment therewith, the sleeve having a vane means attached thereto. A one-way clutch means is included to rotate the agitator accessory incrementally, during one-half cycles of the oscillatory agitator movement, to thereby force fabrics being washed downward along the agitator and toward vanes extending from the skirt of the agitator. | |
