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SHAFT SEAL FOR USE IN WASHING MACHINES

  • US 3,710,947 A
  • Filed: 03/04/1971
  • Issued: 01/16/1973
  • Est. Priority Date: 03/04/1971
  • Status: Expired due to Term
First Claim
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1. In an automatic clothes washing machine including an outer tub, an inner perforated spin tub including an integral spin tube, an annular flange integral with the outer tub spaced from and surrounding the spin tube, means to rotate the spin tube and spin tub connected therewith, and an annular water seal between the spin tub and said annular flange, said water seal comprising a resilient annular member including a firm body in sealing contact with the spin tub and rotatable therewith, a resilient expansible skirt integral at one end with said body and having sealing contact with the annular flange when the spin tub is idle, said skirt being expansible out of sealing fit with the annular flange by action of centrifugal force when the spin tub is rotated.

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