Patent ID: 7331070

Claim:
A portable sink assembly comprising: a base member and a plurality of foldable legs for supporting said base member above a surface when in a first position and foldable flat against said base member for storage or transport; a first storage tank for containing a supply of clean water; a concave basin for receiving water from said first storage tank and a second storage tank for receiving dirty water from said concave basin; said base member including support means for supporting said first storage tank above the level of said concave basin, and means for supporting said second storage tank below the level of said concave basin with a lower part of said concave basin in contact with a top portion of said second storage tank; a fluid passage between said lower part of said concave basin and an upper part of said second storage tank; and a normally closed depressible valve connecting said lower part of said basin and said second storage tank for preventing water from said second storage tank from flowing back into said concave basin, and a separate depressor constructed and arranged for manually depressing said valve for opening said valve to drain said dirty water from said basin and into said second storage tank; and a cover fitting over said base member and means for releasably fastening said cover to said base member.