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Wash ball

  • US 6,032,495 A
  • Filed: 03/02/1999
  • Issued: 03/07/2000
  • Est. Priority Date: 03/02/1999
  • Status: Expired due to Term
First Claim
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1. A wash ball structure comprising an upper case half and a lower case half and wherein the upper case half is a hollow semi-spherical shell with a plurality of holes on the surface thereof, has external screw threads around the connecting end and is provided with a plurality of cavities scattered on the end surface of the connecting end;

  • andthe lower case half is also a hollow semi-spherical shell with a plurality of holes on the surface and has an annular flange around the connecting end;

    said annular flange being larger than the semi-spherical shell in diameter and having internal screw threads formed on the inner wall surface and a plurality embossed round dots dispersed on the connecting end surface;

    said upper case half and said lower case half being coupled with each other by means of an engagement between the external and the internal screw threads and an engagement between the embossed round dots and the recessed cavities to form a wash ball that can avoid looseness due to water wash.

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